KT-44741: Improve handling of constants defined in companion objects

compiler/incremental-compilation-impl/testData/org/jetbrains/kotlin/incremental/classpathDiff/ClasspathSnapshotterTest/expected-snapshot/kotlin/com/example/SimpleClass.json

@@ -34,6 +34,14 @@
     "className$delegate": {
       "initializer": {},
       "_value": {}
+    },
+    "protoMapValue$delegate": {
+      "initializer": {},
+      "_value": {}
+    },
+    "protoData$delegate": {
+      "initializer": {},
+      "_value": {}
     }
   },
   "supertypes": [