fix: Correctly pass through obscure text

fixes https://github.com/krille-chan/fluffychat/issues/2266

lib/widgets/adaptive_dialogs/dialog_text_field.dart

@@ -10,7 +10,7 @@ class DialogTextField extends StatelessWidget {
   final String? prefixText;
   final String? suffixText;
   final String? errorText;
-  final bool obscureText = false;
+  final bool obscureText;
   final bool isDestructive = false;
   final int? minLines;
   final int? maxLines;
@@ -32,6 +32,7 @@ class DialogTextField extends StatelessWidget {
     this.controller,
     this.counterText,
     this.errorText,
+    this.obscureText = false,
   });
 
   @override

lib/widgets/adaptive_dialogs/show_text_input_dialog.dart

@@ -71,6 +71,7 @@ Future<String?> showTextInputDialog({
                     maxLines: maxLines,
                     maxLength: maxLength,
                     keyboardType: keyboardType,
+                    obscureText: obscureText,
                   );
                 },
               ),