fix hovered state of group listeners

fixes #7838

Diffs=
4fb978a92 fix hovered state of group listeners (#7839)

Co-authored-by: hernan <hernan@rive.app>

.rive_head

diff --git a/.rive_head b/.rive_head
index 1b18626..2db670f 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-e75b8fa633a4f8eb102e669ac1308b1d1151fed1
+4fb978a9230fc006b5e575364f062907e7dd2afe

src/animation/state_machine_instance.cpp

diff --git a/src/animation/state_machine_instance.cpp b/src/animation/state_machine_instance.cpp
index dcc6ff6..e549a1a 100644
--- a/src/animation/state_machine_instance.cpp
+++ b/src/animation/state_machine_instance.cpp
@@ -432,6 +432,7 @@
     void consume() { m_isConsumed = true; }
     //
     void hover() { m_isHovered = true; }
+    void unhover() { m_isHovered = false; }
     void reset()
     {
         m_isConsumed = false;
@@ -547,6 +548,18 @@
             {
                 continue;
             }
+            // Because each group is tested individually for its hover state, a group
+            // could be marked "incorrectly" as hovered at this point.
+            // But once we iterate each element in the drawing order, that group can
+            // be occluded by an opaque target on top  of it.
+            // So although it is hovered in isolation, it shouldn't be considered as
+            // hovered in the full context.
+            // In this case, we unhover the group so it is not marked as previously
+            // hovered.
+            if (!canHit && listenerGroup->isHovered())
+            {
+                listenerGroup->unhover();
+            }
 
             bool isGroupHovered = canHit ? listenerGroup->isHovered() : false;
             bool hoverChange = listenerGroup->prevHovered() != isGroupHovered;