feat: menu de contexto em bottom sheet, painel de anexos, perfil e feed do mural

- Salas (chat, canais, murais e salas de espacos) abrem bottom sheet com grid de acoes
- Botao + da barra de digitacao abre painel de anexos em grid de 3 colunas que empurra a caixa de texto
- Modal do perfil permite editar nome/status e ler QR code (mobile)
- Alterar status atualiza localmente via extensao do SDK matrix
- Mural pre-carrega historico para exibir todas as midias em dispositivos sem cache

lib/pages/chat_list/space_view.dart

@@ -17,6 +17,7 @@ import 'package:tatchat/utils/matrix_sdk_extensions/room_extension.dart';
 import 'package:tatchat/utils/stream_extension.dart';
 import 'package:tatchat/utils/string_color.dart';
 import 'package:tatchat/widgets/adaptive_dialogs/show_ok_cancel_alert_dialog.dart';
+import 'package:tatchat/widgets/adaptive_dialogs/show_modal_action_popup.dart';
 import 'package:tatchat/widgets/avatar.dart';
 import 'package:tatchat/widgets/future_loading_dialog.dart';
 import 'package:tatchat/widgets/hover_builder.dart';
@@ -219,108 +220,50 @@ class _SpaceViewState extends State<SpaceView> {
     final space = client.getRoomById(widget.spaceId);
     final room = client.getRoomById(roomId);
     if (space == null) return;
-    final overlay =
-        Overlay.of(posContext).context.findRenderObject() as RenderBox;
+    final l10n = L10n.of(posContext);
 
-    final button = posContext.findRenderObject() as RenderBox;
-
-    final position = RelativeRect.fromRect(
-      Rect.fromPoints(
-        button.localToGlobal(const Offset(0, -65), ancestor: overlay),
-        button.localToGlobal(
-          button.size.bottomRight(Offset.zero) + const Offset(-50, 0),
-          ancestor: overlay,
-        ),
-      ),
-      Offset.zero & overlay.size,
-    );
-
-    final action = await showMenu<SpaceChildAction>(
+    final action = await showModalActionPopup<SpaceChildAction>(
       context: posContext,
-      position: position,
-      items: [
+      cancelLabel: l10n.cancel,
+      actions: [
         if (room != null && room.membership == Membership.join) ...[
-          PopupMenuItem(
+          AdaptiveModalAction(
             value: room.pushRuleState == PushRuleState.notify
                 ? SpaceChildAction.mute
                 : SpaceChildAction.unmute,
-            child: Row(
-              mainAxisSize: .min,
-              children: [
-                Icon(
-                  room.pushRuleState == PushRuleState.notify
-                      ? Icons.notifications_off_outlined
-                      : Icons.notifications_on_outlined,
-                ),
-                const SizedBox(width: 12),
-                Text(
-                  room.pushRuleState == PushRuleState.notify
-                      ? L10n.of(context).muteChat
-                      : L10n.of(context).unmuteChat,
-                ),
-              ],
+            label: room.pushRuleState == PushRuleState.notify
+                ? l10n.muteChat
+                : l10n.unmuteChat,
+            icon: Icon(
+              room.pushRuleState == PushRuleState.notify
+                  ? Icons.notifications_off_outlined
+                  : Icons.notifications_on_outlined,
             ),
           ),
-          PopupMenuItem(
+          AdaptiveModalAction(
             value: room.markedUnread
                 ? SpaceChildAction.markAsRead
                 : SpaceChildAction.markAsUnread,
-            child: Row(
-              mainAxisSize: .min,
-              children: [
-                Icon(
-                  room.markedUnread
-                      ? Icons.mark_as_unread
-                      : Icons.mark_as_unread_outlined,
-                ),
-                const SizedBox(width: 12),
-                Text(
-                  room.isUnread
-                      ? L10n.of(context).markAsRead
-                      : L10n.of(context).markAsUnread,
-                ),
-              ],
+            label: room.isUnread ? l10n.markAsRead : l10n.markAsUnread,
+            icon: Icon(
+              room.markedUnread
+                  ? Icons.mark_as_unread
+                  : Icons.mark_as_unread_outlined,
             ),
           ),
-          PopupMenuItem(
+          AdaptiveModalAction(
             value: SpaceChildAction.leave,
-            child: Row(
-              mainAxisSize: .min,
-              children: [
-                Icon(
-                  Icons.delete_outlined,
-                  color: Theme.of(context).colorScheme.onErrorContainer,
-                ),
-                const SizedBox(width: 12),
-                Text(
-                  L10n.of(context).leave,
-                  style: TextStyle(
-                    color: Theme.of(context).colorScheme.onErrorContainer,
-                  ),
-                ),
-              ],
-            ),
+            label: l10n.leave,
+            icon: const Icon(Icons.delete_outlined),
+            isDestructive: true,
           ),
         ],
         if (space.canChangeStateEvent(EventTypes.SpaceChild) == true)
-          PopupMenuItem(
+          AdaptiveModalAction(
             value: SpaceChildAction.removeFromSpace,
-            child: Row(
-              mainAxisSize: .min,
-              children: [
-                Icon(
-                  Icons.remove,
-                  color: Theme.of(context).colorScheme.onErrorContainer,
-                ),
-                const SizedBox(width: 12),
-                Text(
-                  L10n.of(context).removeFromSpace,
-                  style: TextStyle(
-                    color: Theme.of(context).colorScheme.onErrorContainer,
-                  ),
-                ),
-              ],
-            ),
+            label: l10n.removeFromSpace,
+            icon: const Icon(Icons.remove),
+            isDestructive: true,
           ),
       ],
     );