Generate "$kotlinClass"/"$kotlinPackage" reflection fields to every class

Some seemingly irrelevant tests were changed because now there's <clinit> in
almost every class and class initialization begins with executing it

jps-plugin/testData/general/CircularDependenciesSamePackage/module2/src/b.kt

@@ -4,4 +4,4 @@ fun b() {
 
 }
 
-var b = ""
+var b = b()