Re-introduce original thread-hop for deallocating onDismiss() for non-UIAlertController cases that was present in 2.5.0, fixes crash when building with XCode 26 (#314)

Co-authored-by: Stu Sharpe <[email protected]>
Co-authored-by: Stephen Celis <[email protected]>

Author: 3 people

Sources/UIKitNavigationShim/shim.m

@@ -69,7 +69,9 @@ - (void)UIKitNavigation_viewDidDisappear:(BOOL)animated {
           });
         } else {
           self._UIKitNavigation_onDismiss();
-          self._UIKitNavigation_onDismiss = nil;
+          dispatch_async(dispatch_get_main_queue(), ^{
+            self._UIKitNavigation_onDismiss = nil;
+          });
         }
       }
     }