feat: Enhance project selection interaction by adding tap gesture to collapse dropdown

lib/view/layouts/layout.dart

@@ -46,6 +46,13 @@ class _LayoutState extends State<Layout> {
       endDrawer: UserProfileBar(),
       floatingActionButton: widget.floatingActionButton,
       body: SafeArea(
+        child: GestureDetector(
+          behavior: HitTestBehavior.translucent,
+          onTap: () {
+            if (projectController.isProjectSelectionExpanded.value) {
+              projectController.isProjectSelectionExpanded.value = false;
+            }
+          },
           child: Stack(
             children: [
               Column(
@@ -61,13 +68,13 @@ class _LayoutState extends State<Layout> {
                   ),
                 ],
               ),
-            // Overlay project list below header
+              // Project dropdown overlay
               Obx(() {
                 if (!projectController.isProjectSelectionExpanded.value) {
                   return const SizedBox.shrink();
                 }
                 return Positioned(
-                top: 95, // Adjust based on header card height
+                  top: 95,
                   left: 16,
                   right: 16,
                   child: Material(
@@ -87,6 +94,7 @@ class _LayoutState extends State<Layout> {
             ],
           ),
         ),
+      ),
     );
   }