[IR] Rewrite logic around object interpretation

Basically we want to allow object interpretation only when we try
to access some const val property.

#KT-57810 Fixed

compiler/testData/codegen/box/involvesIrInterpreter/kt56215.kt

@@ -7,8 +7,8 @@ fun ObjectWithExtension?.nullableExtensionFun(): String =
         "Not null"
 
 fun ObjectWithExtension.extensionFun(): String =
-    if(<!EVALUATED("false")!>this == null<!>)
-        "Null" // unreachable branch, will be optimized by interpreter
+    if(this == null)
+        "Null"
     else
         "Not null"
 

compiler/testData/codegen/box/involvesIrInterpreter/thisPlusString.kt

@@ -6,7 +6,7 @@
 object Test {
     fun foo(): String = "foo " + this
 
-    fun bar(): String = "bar $this"
+    fun bar(): String = "<!EVALUATED("bar ")!>bar <!>$this"
 
     fun baz(): String = "baz " + this.toString()
 }