[Fir2IR] Fix dispatch receiver of fake override lazy function

After the fix, it's at least consistent with what generated
for other fake overrides.

^KT-61386

compiler/testData/codegen/box/javaVisibility/package/cannotAccessInterfaceMemberViaReceiver.kt

@@ -1,6 +1,5 @@
 // TARGET_BACKEND: JVM_IR
 // DUMP_IR
-// IGNORE_CODEGEN_WITH_IR_FAKE_OVERRIDE_GENERATION: KT-61386
 // FILE: javapackage/PackagePrivateGrandparentInterface.java
 
 package javapackage;