[FIR] Consider anonymous objects in FirSuperclassNotAccessibleFromInterfaceChecker

^KT-54673 Fixed

compiler/testData/diagnostics/tests/thisAndSuper/considerAnonymousObjectsForSuperclassNotAccessibleFromInterface.kt

@@ -0,0 +1,16 @@
+// FIR_IDENTICAL
+// ISSUE: KT-54673
+
+open class KotlinBaseClass {
+    open fun kotlinFun() {}
+}
+
+interface sealedInterface {
+    fun someFun() {
+        object : KotlinBaseClass() {
+            override fun kotlinFun() {
+                super.kotlinFun()
+            }
+        }
+    }
+}

compiler/testData/diagnostics/tests/thisAndSuper/considerAnonymousObjectsForSuperclassNotAccessibleFromInterface.txt

@@ -0,0 +1,16 @@
+package
+
+public open class KotlinBaseClass {
+    public constructor KotlinBaseClass()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open fun kotlinFun(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface sealedInterface {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open fun someFun(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}