Create From Usage: Do not suggest "val" for references used as assignment left-hand side

idea/testData/quickfix/createFromUsage/createVariable/parameter/afterAssignedInFunInClass.kt

@@ -0,0 +1,7 @@
+// "Create parameter 'foo'" "true"
+
+class A(var foo: Int) {
+    fun test(n: Int) {
+        foo = n + 1
+    }
+}