KT-8794 Parameter Information should work in index expression

#KT-8794 Fixed

idea/testData/parameterInfo/functionCall/Invoke.kt

@@ -0,0 +1,15 @@
+package test
+
+class A {
+    fun invoke(i: Int) {
+    }
+}
+
+fun main(args: Array<String>) {
+    val a = A()
+    a(<caret>)
+}
+
+/*
+Text: (<highlight>i: Int</highlight>), Disabled: false, Strikeout: false, Green: true
+*/