avoid snackbar overlap find in page

Author: FaFre

app/lib/features/geckoview/features/browser/presentation/screens/browser.dart

@@ -440,9 +440,9 @@ class BrowserScreen extends HookConsumerWidget {
         insetPadding: EdgeInsets.only(
           left: 16,
           right: 16,
-          bottom: bottomToolbarVisible
-              ? bottomAppBarContentSize.height + 8
-              : 16,
+          bottom:
+              (bottomToolbarVisible ? bottomAppBarContentSize.height + 8 : 16) +
+              (findInPageVisible ? findInPageHeight : 0),
         ),
       ),
     );