Implemented fast search for invoke operator calls

#KT-13643 Fixed

idea/testData/findUsages/kotlin/conventions/invoke.0.kt

@@ -2,10 +2,12 @@
 // OPTIONS: usages
 
 class B(val n: Int) {
-    fun <caret>invoke(i: Int): B = B(i)
+    operator fun <caret>invoke(i: Int){}
 }
 
+fun f() = B(1)
+
 fun test() {
-    B(1).invoke(2)
-    B(1)(2)
+    f(1).invoke(2)
+    f(2)(2)
 }

idea/testData/findUsages/kotlin/conventions/invoke.log

@@ -0,0 +1,8 @@
+Checked type of f()
+Resolving call f(1)
+Resolving call f(2)
+Resolving call f(2)(2)
+Searched references to B
+Searched references to f() in Kotlin files
+Used plain search in LocalSearchScope:
+    CLASS:B

idea/testData/findUsages/kotlin/conventions/invoke.results.txt

@@ -1 +1,2 @@
-Function call 9 B(1).invoke(2)
+Function call 11 f(1).invoke(2)
+Implicit 'invoke' 12 f(2)(2)

idea/testData/refactoring/rename/renameInvoke/after/invoke.kt

@@ -4,5 +4,5 @@ class A(val n: Int) {
 
 fun test() {
     A(1).foo(2)
-    A(1)(2)
+    A(1).foo(2)
 }

idea/testData/search/references/testInvokeFun.kt

@@ -0,0 +1,10 @@
+class B(val n: Int) {
+    operator fun <caret>invoke(i: Int){}
+}
+
+fun f() = B(1)
+
+fun test() {
+    f(1).invoke(2)
+    f(2)(2)
+}