Fixed not working item in completion list for infix call

idea/idea-completion/testData/basic/common/InfixCallNoSpecialLambdaArgumentItem.kt

@@ -0,0 +1,11 @@
+// checks that no special item "ext1 { String, Int -> ... }" created for infix call
+fun Int.ext1(handler: (String, Int) -> Unit){}
+fun Int.ext2(c: Char){}
+
+fun foo() {
+    val pair = 1 ext<caret>
+}
+
+// EXIST: ext1
+// EXIST: ext2
+// NUMBER: 2