[FIR, IR] Fix name mangling for functions with context receivers

- Mangled names of property accessors now include context receiver
  types of the corresponding property when computed from FIR.
- Context receivers are now supported when computing mangled names
  from IR
- IrBasedDescriptors now account for context receivers

^KT-57435 Fixed

compiler/testData/ir/irText/declarations/contextReceivers/compoundAssignmentOperators.kt

@@ -1,9 +1,6 @@
 // !LANGUAGE: +ContextReceivers
 // IGNORE_BACKEND: JS_IR
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57435
-
 data class Result(var i: Int)
 
 var operationScore = 0