KT-8898 If invocation context contains functional value compatible with function in completion list, show non-literal item

#KT-8898 Fixed

idea/idea-completion/testData/basic/common/highOrderFunctions/ContextVariables2.kt

@@ -0,0 +1,30 @@
+interface I : () -> Unit
+
+fun String.xfoo(p: () -> Unit){}
+
+val global: () -> Unit = { }
+
+fun X.test(p1: () -> Unit, p2: () -> String, p3: I) {
+    val local: () -> Unit = { }
+    "a".xfoo<caret>
+}
+
+interface X {
+    public val publicVal: () -> Unit
+    protected val protectedVal: () -> Unit
+}
+
+val X.extension: () -> Unit
+    get() = {}
+
+val String.wrongExtension: () -> Unit
+    get() = {}
+
+// EXIST: { itemText: "xfoo", tailText: " {...} (p: () -> Unit) for String in <root>", typeText:"Unit" }
+// EXIST: { itemText: "xfoo", tailText: "(p1) for String in <root>", typeText: "Unit" }
+// EXIST: { itemText: "xfoo", tailText: "(p3) for String in <root>", typeText: "Unit" }
+// EXIST: { itemText: "xfoo", tailText: "(local) for String in <root>", typeText: "Unit" }
+// EXIST: { itemText: "xfoo", tailText: "(global) for String in <root>", typeText: "Unit" }
+// EXIST: { itemText: "xfoo", tailText: "(publicVal) for String in <root>", typeText: "Unit" }
+// EXIST: { itemText: "xfoo", tailText: "(extension) for String in <root>", typeText: "Unit" }
+// NOTHING_ELSE