feat: marcar legenda com markdown, barra de ações nos posts do canal e limites de mensagem na modal

lib/widgets/adaptive_dialogs/dialog_text_field.dart

@@ -9,6 +9,7 @@ import 'package:material_ui/material_ui.dart';
 
 class DialogTextField extends StatelessWidget {
   final TextEditingController? controller;
+  final FocusNode? focusNode;
   final String? hintText;
   final String? labelText;
   final String? initialText;
@@ -38,6 +39,7 @@ class DialogTextField extends StatelessWidget {
     this.keyboardType,
     this.maxLength,
     this.controller,
+    this.focusNode,
     this.counterText,
     this.errorText,
     this.obscureText = false,
@@ -59,6 +61,7 @@ class DialogTextField extends StatelessWidget {
         return TextField(
           readOnly: readOnly,
           controller: controller,
+          focusNode: focusNode,
           obscureText: obscureText,
           minLines: minLines,
           maxLines: maxLines,
@@ -94,6 +97,7 @@ class DialogTextField extends StatelessWidget {
               height: placeholder == null ? null : ((maxLines ?? 1) + 1) * 20,
               child: CupertinoTextField(
                 controller: controller,
+                focusNode: focusNode,
                 readOnly: readOnly,
                 obscureText: obscureText,
                 minLines: minLines,