KT-8794 Parameter Information should work in index expression

#KT-8794 Fixed

idea/testData/parameterInfo/arrayAccess/Overloads.kt

@@ -0,0 +1,12 @@
+class A {
+    operator fun get(x: String) = 1
+    operator fun get(x: Int, y: Boolean) = 2
+
+    fun d(x: Int) {
+        this[<caret>1, false]
+    }
+}
+/*
+Text: (<highlight>x: Int</highlight>, y: Boolean), Disabled: false, Strikeout: false, Green: true
+Text: (<highlight>x: String</highlight>), Disabled: false, Strikeout: false, Green: false
+*/

idea/testData/parameterInfo/arrayAccess/Overloads2.kt

@@ -0,0 +1,14 @@
+class A {
+    operator fun get(x: String) = 1
+    operator fun get(x: String, y: Boolean) = 2
+    operator fun get(x: Int, y: Boolean) = 2
+
+    fun d(x: Int) {
+        this[1, <caret>false]
+    }
+}
+/*
+Text: (x: Int, <highlight>y: Boolean</highlight>), Disabled: false, Strikeout: false, Green: true
+Text: (x: String), Disabled: true, Strikeout: false, Green: false
+Text: (x: String, <highlight>y: Boolean</highlight>), Disabled: true, Strikeout: false, Green: false
+*/

idea/testData/parameterInfo/arrayAccess/Set.kt

@@ -0,0 +1,12 @@
+class A {
+    operator fun get(x: Int) {}
+    operator fun set(x: String, y: Int, value: Int) {}
+
+    fun d(x: Int) {
+        this[<caret>] = 1
+    }
+}
+
+/*
+Text: (<highlight>x: String</highlight>, y: Int), Disabled: false, Strikeout: false, Green: true
+*/

idea/testData/parameterInfo/arrayAccess/SetTooManyArgs.kt

@@ -0,0 +1,12 @@
+class A {
+    operator fun get(x: Int) {}
+    operator fun set(x: String, value: Int) {}
+
+    fun d(x: Int) {
+        this["", 1<caret>] = 1
+    }
+}
+
+/*
+Text: (x: String), Disabled: true, Strikeout: false, Green: true
+*/

idea/testData/parameterInfo/arrayAccess/Simple.kt

@@ -0,0 +1,9 @@
+class C {
+    operator fun get(pInt: Int, pString: String){}
+}
+
+fun foo(c: C) {
+    c[<caret>]
+}
+
+//Text: (<highlight>pInt: Int</highlight>, pString: String), Disabled: false, Strikeout: false, Green: true