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

idea/testData/quickfix/createFromUsage/createVariable/localVariable/afterAssignedInFun.kt

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

idea/testData/quickfix/createFromUsage/createVariable/localVariable/beforeAssignedInFun.kt

@@ -0,0 +1,5 @@
+// "Create local variable 'foo'" "true"
+
+fun test(n: Int) {
+    <caret>foo = n + 1
+}