Fix test data for call hierarchy test

(cherry picked from commit 0145cc4)

idea/testData/hierarchy/calls/callers/kotlinPackageFunction/main1.java

@@ -1,7 +1,7 @@
 class JA {
-    public String name = _DefaultPackage.packageFun("");
+    public String name = Main0Kt.packageFun("");
 
     public String foo() {
-        return _DefaultPackage.packageFun("");
+        return Main0Kt.packageFun("");
     }
 }

idea/testData/hierarchy/calls/callers/kotlinPackageProperty/main1.java

@@ -1,8 +1,8 @@
 class JA {
-    public String name = _DefaultPackage.getPackageVal();
+    public String name = Main0Kt.getPackageVal();
 
     public String getName() {
-        _DefaultPackage.setPackageVal("");
-        return _DefaultPackage.getPackageVal();
+        Main0Kt.setPackageVal("");
+        return Main0Kt.getPackageVal();
     }
 }