removed duplicate emoji picker widgets and fixed name of variable in chat controller to resolve late initialization error when sending an emoji reaction

lib/pages/chat/chat.dart

@@ -849,12 +849,9 @@ class ChatController extends State<ChatPageWithRoom>
     });
   }
 
-  // #Pangea
-  // void hideEmojiPicker() {
-  void hideEmojiPicker({bool closeOverlay = false}) {
-    if (closeOverlay) {
-      MatrixState.pAnyState.closeOverlay();
-    }
+  void hideEmojiPicker() {
+    // #Pangea
+    clearSelectedEvents();
     // Pangea#
     setState(() => showEmojiPicker = false);
   }
@@ -1221,7 +1218,7 @@ class ChatController extends State<ChatPageWithRoom>
     setState(() => showEmojiPicker = false);
     if (emoji == null) return;
     // make sure we don't send the same emoji twice
-    if (allReactionEvents.any(
+    if (_allReactionEvents.any(
       (e) => e.content.tryGetMap('m.relates_to')?['key'] == emoji.emoji,
     )) {
       return;
@@ -1245,7 +1242,7 @@ class ChatController extends State<ChatPageWithRoom>
     );
   }
 
-  late Iterable<Event> allReactionEvents;
+  late Iterable<Event> _allReactionEvents;
 
   void emojiPickerBackspace() {
     switch (emojiPickerType) {
@@ -1266,7 +1263,7 @@ class ChatController extends State<ChatPageWithRoom>
     // #Pangea
     closeSelectionOverlay();
     // Pangea#
-    allReactionEvents = allReactionEvents;
+    _allReactionEvents = allReactionEvents;
     emojiPickerType = EmojiPickerType.reaction;
     setState(() => showEmojiPicker = true);
   }

lib/pages/chat/chat_emoji_picker.dart

@@ -82,56 +82,6 @@ class ChatEmojiPicker extends StatelessWidget {
                       ],
                     ),
                   ),
-                  Expanded(
-                    child: TabBarView(
-                      children: [
-                        EmojiPicker(
-                          onEmojiSelected: controller.onEmojiSelected,
-                          onBackspacePressed: controller.emojiPickerBackspace,
-                          config: Config(
-                            emojiViewConfig: EmojiViewConfig(
-                              noRecents: const NoRecent(),
-                              backgroundColor: Theme.of(context)
-                                  .colorScheme
-                                  .onInverseSurface,
-                            ),
-                            bottomActionBarConfig: const BottomActionBarConfig(
-                              enabled: false,
-                            ),
-                            categoryViewConfig: CategoryViewConfig(
-                              backspaceColor: theme.colorScheme.primary,
-                              iconColor:
-                                  theme.colorScheme.primary.withOpacity(0.5),
-                              iconColorSelected: theme.colorScheme.primary,
-                              indicatorColor: theme.colorScheme.primary,
-                            ),
-                            skinToneConfig: SkinToneConfig(
-                              dialogBackgroundColor: Color.lerp(
-                                theme.colorScheme.surface,
-                                theme.colorScheme.primaryContainer,
-                                0.75,
-                              )!,
-                              indicatorColor: theme.colorScheme.onSurface,
-                            ),
-                          ),
-                        ),
-                        StickerPickerDialog(
-                          room: controller.room,
-                          onSelected: (sticker) {
-                            controller.room.sendEvent(
-                              {
-                                'body': sticker.body,
-                                'info': sticker.info ?? {},
-                                'url': sticker.url.toString(),
-                              },
-                              type: EventTypes.Sticker,
-                            );
-                            controller.hideEmojiPicker();
-                          },
-                        ),
-                      ],
-                    ),
-                  ),
                   // #Pangea
                   Padding(
                     padding: const EdgeInsets.symmetric(vertical: 8.0),