fix: 🐛 make Showcase-wrapped widgets clickable (#620)

* fix: 🐛 Set MouseRegion opaque property to false for improved interaction in TargetWidget, TooltipWrapper, and FloatingActionWidget

---------

Co-authored-by: Vasu Nageshri <vasu.nageshri@simformsolutions.com>

Author: RuslanTsitser

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Fixed [#645](https://github.com/SimformSolutionsPvtLtd/showcaseview/issues/645) -  Prevent re-entrant calls to _onComplete during rapid barrier taps. Fixed by @[apizon](https://github.com/apizon)
 - Fixed [#639](https://github.com/SimformSolutionsPvtLtd/showcaseview/issues/639) - Add null-safety guards for async sequence transitions. Fixed by @[vasu-nageshri](https://github.com/vasu-nageshri)
 - Fixed [#622](https://github.com/SimformSolutionsPvtLtd/showcaseview/issues/622) - Resolve Semantics issue when using `go_router` and `showSemanticsDebugger` flag. Fixed by @[Sahil-Simform](https://github.com/Sahil-Simform)
+- Fix [#620](https://github.com/SimformSolutionsPvtLtd/showcaseview/pull/620)- Set MouseRegion opaque property to false for improved interaction in TargetWidget, TooltipWrapper, and FloatingActionWidget. Fixed by @[RuslanTsitser](https://github.com/RuslanTsitser)
 
 ## [5.0.2]
 

lib/src/showcase/target_widget.dart

@@ -97,6 +97,7 @@ class TargetWidget extends StatelessWidget {
       child: disableDefaultChildGestures
           ? IgnorePointer(child: targetWidgetContent)
           : MouseRegion(
+              opaque: false,
               cursor: SystemMouseCursors.click,
               child: targetWidgetContent,
             ),

lib/src/tooltip/tooltip_wrapper.dart

@@ -176,6 +176,7 @@ class _ToolTipWrapperState extends State<ToolTipWrapper>
 
     final defaultToolTipWidget = widget.container != null
         ? MouseRegion(
+            opaque: false,
             cursor: widget.onTooltipTap == null
                 ? MouseCursor.defer
                 : SystemMouseCursors.click,
@@ -187,6 +188,7 @@ class _ToolTipWrapperState extends State<ToolTipWrapper>
             ),
           )
         : MouseRegion(
+            opaque: false,
             cursor: widget.onTooltipTap == null
                 ? MouseCursor.defer
                 : SystemMouseCursors.click,

lib/src/widget/floating_action_widget.dart

@@ -171,7 +171,7 @@ class FloatingActionWidget extends StatelessWidget {
       bottom: bottom,
       width: width,
       height: height,
-      child: Material(color: Colors.transparent, child: child),
+      child: Material(type: MaterialType.transparency, color: Colors.transparent, child: child),
     );
   }
 }