add safearea in useful places

lib/pages/instance.dart

@@ -396,7 +396,7 @@ class _AboutTab extends HookWidget {
               title: const Center(child: Text('Modlog')),
               onTap: goToModLog,
             ),
-            const SizedBox(height: 20),
+            const SafeArea(child: SizedBox.shrink()),
           ],
         ),
       ),

lib/pages/manage_account.dart

@@ -430,6 +430,7 @@ class _ManageAccount extends HookWidget {
           ),
           child: const Text('DELETE ACCOUNT'),
         ),
+        const SafeArea(child: SizedBox.shrink()),
       ],
     );
   }

lib/widgets/infinite_scroll.dart

@@ -82,7 +82,7 @@ class InfiniteScroll<T> extends HookWidget {
           if (i == data.value.length) {
             // if there are no more, skip
             if (!hasMore.current) {
-              return const SizedBox.shrink();
+              return const SafeArea(child: SizedBox.shrink());
             }
 
             // if it's already fetching more, skip
@@ -98,7 +98,9 @@ class InfiniteScroll<T> extends HookWidget {
               }).whenComplete(() => isFetching.current = false);
             }
 
-            return loadingWidget;
+            return SafeArea(
+              child: loadingWidget,
+            );
           }
 
           // not last element, render list item