fix for emojis not showing correctly in input bar

lib/pages/chat/input_bar.dart

@@ -465,8 +465,9 @@ class InputBar extends StatelessWidget {
             // show suggestions after 50ms idle time (default is 300)
             // #Pangea
             key: controller!.choreographer.inputLayerLinkAndKey.key,
-            // Pangea#
+            // builder: (context, controller, focusNode) => TextField(
-            builder: (context, controller, focusNode) => TextField(
+            builder: (context, _, focusNode) => TextField(
+              // Pangea#
               controller: controller,
               focusNode: focusNode,
               contentInsertionConfiguration: ContentInsertionConfiguration(
@@ -494,9 +495,9 @@ class InputBar extends StatelessWidget {
               },
               // #Pangea
               onTap: () {
-                this.controller!.onInputTap(
+                controller!.onInputTap(
                   context,
-                      fNode: focusNode,
+                  fNode: focusNode,
                 );
               },
               // Pangea#

lib/pages/chat/sticker_picker_dialog.dart

@@ -1,11 +1,9 @@
+import 'package:fluffychat/config/app_config.dart';
+import 'package:fluffychat/widgets/mxc_image.dart';
 import 'package:flutter/material.dart';
-
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:matrix/matrix.dart';
 
-import 'package:fluffychat/config/app_config.dart';
-import 'package:fluffychat/utils/url_launcher.dart';
-import 'package:fluffychat/widgets/mxc_image.dart';
 import '../../widgets/avatar.dart';
 
 class StickerPickerDialog extends StatefulWidget {
@@ -130,15 +128,17 @@ class StickerPickerDialogState extends State<StickerPickerDialog> {
                     mainAxisSize: MainAxisSize.min,
                     children: [
                       Text(L10n.of(context)!.noEmotesFound),
-                      const SizedBox(height: 12),
+                      // #Pangea
-                      OutlinedButton.icon(
+                      // const SizedBox(height: 12),
-                        onPressed: () => UrlLauncher(
+                      // OutlinedButton.icon(
-                          context,
+                      //   onPressed: () => UrlLauncher(
-                          'https://matrix.to/#/#fluffychat-stickers:janian.de',
+                      //     context,
-                        ).launchUrl(),
+                      //     'https://matrix.to/#/#fluffychat-stickers:janian.de',
-                        icon: const Icon(Icons.explore_outlined),
+                      //   ).launchUrl(),
-                        label: Text(L10n.of(context)!.discover),
+                      //   icon: const Icon(Icons.explore_outlined),
-                      ),
+                      //   label: Text(L10n.of(context)!.discover),
+                      // ),
+                      // Pangea#
                     ],
                   ),
                 ),

lib/pangea/extensions/pangea_room_extension.dart

@@ -943,6 +943,7 @@ extension PangeaRoom on Room {
       return (eventsDefaultPowerLevel ?? 0) >=
           ClassDefaultValues.powerLevelOfAdmin;
     }
+    if (spaceChildren.isEmpty) return false;
     for (final child in spaceChildren) {
       if (child.roomId == null) continue;
       final Room? room = client.getRoomById(child.roomId!);

lib/pangea/models/igc_text_data_model.dart

@@ -5,6 +5,7 @@ import 'package:fluffychat/pangea/models/pangea_token_model.dart';
 import 'package:fluffychat/pangea/models/span_card_model.dart';
 import 'package:fluffychat/pangea/utils/error_handler.dart';
 import 'package:fluffychat/pangea/utils/overlay.dart';
+import 'package:fluffychat/pangea/widgets/igc/span_card.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
@@ -12,7 +13,6 @@ import 'package:matrix/matrix.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 
 import '../constants/model_keys.dart';
-import '../widgets/igc/span_card.dart';
 import 'language_detection_model.dart';
 
 // import 'package:language_tool/language_tool.dart';
@@ -285,10 +285,9 @@ class IGCTextData {
 
       String matchText;
       try {
-        matchText = originalInput.substring(
+        final int start = matchTokens[tokenIndex].token.text.offset;
-          matchTokens[tokenIndex].token.text.offset,
+        final int end = matchTokens[nextTokenIndex - 1].token.end;
-          matchTokens[nextTokenIndex - 1].token.end,
+        matchText = originalInput.characters.getRange(start, end).toString();
-        );
       } catch (err) {
         return [
           TextSpan(
@@ -318,12 +317,14 @@ class IGCTextData {
         ),
       );
 
-      final String beforeNextToken = originalInput.substring(
+      final String beforeNextToken = originalInput.characters
-        matchTokens[nextTokenIndex - 1].token.end,
+          .getRange(
-        nextTokenIndex < matchTokens.length
+            matchTokens[nextTokenIndex - 1].token.end,
-            ? matchTokens[nextTokenIndex].token.text.offset
+            nextTokenIndex < matchTokens.length
-            : originalInput.length,
+                ? matchTokens[nextTokenIndex].token.text.offset
-      );
+                : originalInput.length,
+          )
+          .toString();
 
       if (beforeNextToken.isNotEmpty) {
         items.add(