"Nested lambda has shadowed implicit parameter": Do not report if 'it' paramerter is not used #KT-26268 Fixed

idea/testData/inspectionsLocal/nestedLambdaShadowedImplicitParameter/notUseParameter.kt

@@ -0,0 +1,10 @@
+// PROBLEM: none
+
+fun foo(f: (String) -> Unit) {}
+
+fun test() {
+    foo {
+        <caret>foo {
+        }
+    }
+}