fix: dismiss modal by tapping on empty space

firka/lib/ui/components/common_bottom_sheets.dart

@@ -37,7 +37,10 @@ Future<void> showFirkaBottomSheet(
     enableDrag: true,
     backgroundColor: Colors.transparent,
     barrierColor: appStyle.colors.a15p,
-    builder: (BuildContext context) => Align(
+    builder: (BuildContext context) => Stack(
+      children: [
+        Positioned.fill(child: GestureDetector(onTap: () => context.pop())),
+        Align(
           alignment: AlignmentGeometry.bottomCenter,
           child: Container(
             padding: const EdgeInsets.all(20) - EdgeInsets.only(top: 20),
@@ -70,6 +73,8 @@ Future<void> showFirkaBottomSheet(
             ),
           ),
         ),
+      ],
+    ),
   );
 }