For each parameter unused: add quick-fix "introduce anonymous parameter"

Related to KT-22068

idea/testData/inspectionsLocal/forEachParameterNotUsed/normal.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun test(list: List<String>) {
+    list.for<caret>Each {}
+}

idea/testData/inspectionsLocal/forEachParameterNotUsed/normal.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun test(list: List<String>) {
+    list.forEach { _ -> }
+}