Quick fix for applying spread operator where vararg is expected #KT-6824 Fixed

idea/testData/quickfix/changeToUseSpreadOperator/nonVarArg.kt

@@ -0,0 +1,10 @@
+// "Change 'y' to '*y'" "false"
+// ACTION: Add 'toString()' call
+// ACTION: Change parameter 'x' type of function 'foo' to 'Array<String>'
+// ACTION: Convert to block body
+// ACTION: Create function 'foo'
+// ERROR: Type mismatch: inferred type is Array<String> but String was expected
+
+fun foo(x: String) {}
+
+fun bar(y: Array<String>) = foo(y<caret>)