Merge pull request #75456 from tshortli/inheritance-availability-exception-6.0

[6.0] Sema: Update inheritance availability checking exception

Author: tshortli

lib/Sema/TypeCheckAccess.cpp

@@ -2254,7 +2254,8 @@ class DeclAvailabilityChecker : public DeclVisitor<DeclAvailabilityChecker> {
     // declaration slipped in when the compiler wasn't able to diagnose it and
     // can't be changed.
     if (nominal->getName().is("AnyColorBox") &&
-        nominal->getModuleContext()->getName().is("SwiftUI"))
+        (nominal->getModuleContext()->getName().is("SwiftUI") ||
+         nominal->getModuleContext()->getName().is("SwiftUICore")))
       flags |= DeclAvailabilityFlag::
           AllowPotentiallyUnavailableAtOrBelowDeploymentTarget;