FIR: unwrap f/overrides when determining mutability of property reference

#KT-44010 Fixed

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java

@@ -3004,6 +3004,12 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirDiagnosti
                     runTest("compiler/testData/diagnostics/tests/callableReference/property/memberFromTopLevel.kt");
                 }
 
+                @Test
+                @TestMetadata("propertyFromAbstractSuperClass.kt")
+                public void testPropertyFromAbstractSuperClass() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/callableReference/property/propertyFromAbstractSuperClass.kt");
+                }
+
                 @Test
                 @TestMetadata("protectedVarFromClass.kt")
                 public void testProtectedVarFromClass() throws Exception {

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/CallableReferenceResolution.kt

@@ -401,6 +401,8 @@ private fun createKPropertyType(
 private fun FirVariable<*>.canBeMutableReference(candidate: Candidate): Boolean {
     if (!isVar) return false
     if (this is FirField) return true
-    return source?.kind == FirFakeSourceElementKind.PropertyFromParameter ||
-            (setter is FirMemberDeclaration && candidate.callInfo.session.visibilityChecker.isVisible(setter!!, candidate))
+    val original = this.unwrapFakeOverrides()
+    return original.source?.kind == FirFakeSourceElementKind.PropertyFromParameter ||
+            (original.setter is FirMemberDeclaration &&
+                    candidate.callInfo.session.visibilityChecker.isVisible(original.setter!!, candidate))
 }