Fix exception on 'equals()' returning 'Nothing' in inline class

^KT-54401: Fixed

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt

@@ -1304,3 +1304,7 @@ fun IrBuiltIns.getKFunctionType(returnType: IrType, parameterTypes: List<IrType>
 
 fun IdSignature?.isComposite(): Boolean =
     this is IdSignature.CompositeSignature
+
+val IrFunction.overridesEqualsFromAny
+    get() = name == OperatorNameConventions.EQUALS && valueParameters.size == 1 && valueParameters[0].type.isNullableAny()
+            && contextReceiverParametersCount == 0 && extensionReceiverParameter == null