[FIR IDE] Add unwrapping substitution overrides which doesn't affect function's signature

Also, do not use PSI to restore SUBSTITUTION_OVERRIDE function/property
symbols

analysis/analysis-api/testData/scopes/substitutionOverridesUnwrapping/ClassWithGenericBase2.txt

@@ -0,0 +1,45 @@
+KtKotlinPropertySymbol:
+  callableIdIfNonLocal: test/Base.noGeneric
+  name: noGeneric
+  origin: SOURCE
+  getDispatchReceiver(): test/Base<T>
+
+KtKotlinPropertySymbol:
+  callableIdIfNonLocal: test/ClassWithGenericBase.withOuterGeneric
+  name: withOuterGeneric
+  origin: SOURCE
+  getDispatchReceiver(): test/ClassWithGenericBase
+
+KtKotlinPropertySymbol:
+  callableIdIfNonLocal: test/Base.withOwnGeneric
+  name: withOwnGeneric
+  origin: SOURCE
+  getDispatchReceiver(): test/Base<T>
+
+KtKotlinPropertySymbol:
+  callableIdIfNonLocal: test/ClassWithGenericBase.withOuterAndOwnGeneric
+  name: withOuterAndOwnGeneric
+  origin: SOURCE
+  getDispatchReceiver(): test/ClassWithGenericBase
+
+KtFunctionSymbol:
+  callableIdIfNonLocal: kotlin/Any.equals
+  name: equals
+  origin: LIBRARY
+  getDispatchReceiver(): kotlin/Any
+
+KtFunctionSymbol:
+  callableIdIfNonLocal: kotlin/Any.hashCode
+  name: hashCode
+  origin: LIBRARY
+  getDispatchReceiver(): kotlin/Any
+
+KtFunctionSymbol:
+  callableIdIfNonLocal: kotlin/Any.toString
+  name: toString
+  origin: LIBRARY
+  getDispatchReceiver(): kotlin/Any
+
+KtConstructorSymbol:
+  callableIdIfNonLocal: null
+  origin: SOURCE_MEMBER_GENERATED