Revert emoji picker close button

lib/pages/chat/chat_emoji_picker.dart

@@ -40,19 +40,11 @@ class ChatEmojiPicker extends StatelessWidget {
                       ],
                     ),
                     Expanded(
-                      child:
-                          // #Pangea
-                          // Display the button to close the emoji picker
-                          // over the emoji picker
-                          Stack(
-                        children: [
-                          // Pangea#
-                          TabBarView(
+                      child: TabBarView(
                         children: [
                           EmojiPicker(
                             onEmojiSelected: controller.onEmojiSelected,
-                                onBackspacePressed:
-                                    controller.emojiPickerBackspace,
+                            onBackspacePressed: controller.emojiPickerBackspace,
                             config: Config(
                               emojiViewConfig: EmojiViewConfig(
                                 noRecents: const NoRecent(),
@@ -66,10 +58,9 @@ class ChatEmojiPicker extends StatelessWidget {
                               ),
                               categoryViewConfig: CategoryViewConfig(
                                 backspaceColor: theme.colorScheme.primary,
-                                    iconColor: theme.colorScheme.primary
-                                        .withOpacity(0.5),
-                                    iconColorSelected:
-                                        theme.colorScheme.primary,
+                                iconColor:
+                                    theme.colorScheme.primary.withOpacity(0.5),
+                                iconColorSelected: theme.colorScheme.primary,
                                 indicatorColor: theme.colorScheme.primary,
                               ),
                               skinToneConfig: SkinToneConfig(
@@ -98,26 +89,16 @@ class ChatEmojiPicker extends StatelessWidget {
                           ),
                         ],
                       ),
-
+                    ),
                     // #Pangea
-                          Positioned(
-                            bottom: 20,
-                            left: 0,
-                            right: 0,
-                            child: Row(
-                              mainAxisAlignment: MainAxisAlignment.center,
-                              children: [
-                                FloatingActionButton(
+                    Padding(
+                      padding: const EdgeInsets.only(bottom: 14.0, top: 2.0),
+                      child: FloatingActionButton(
                         onPressed: controller.hideEmojiPicker,
                         shape: const CircleBorder(),
                         mini: true,
                         child: const Icon(Icons.close),
                       ),
-                              ],
-                            ),
-                          ),
-                        ],
-                      ),
                     ),
                     // Pangea#
                   ],