Add inspection for unlabeled return inside lambda #KT-26511 Fixed

idea/testData/inspectionsLocal/unlabeledReturnInsideLambda/.inspection

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.inspections.UnlabeledReturnInsideLambdaInspection

idea/testData/inspectionsLocal/unlabeledReturnInsideLambda/labeledReturn.kt

@@ -0,0 +1,7 @@
+// PROBLEM: none
+// WITH_RUNTIME
+fun test() {
+    listOf(1).forEach {
+        if (it == 10) <caret>return@forEach
+    }
+}

idea/testData/inspectionsLocal/unlabeledReturnInsideLambda/return.kt

@@ -0,0 +1,7 @@
+// FIX: none
+// WITH_RUNTIME
+fun test() {
+    listOf(1).forEach {
+        if (it == 10) <caret>return
+    }
+}

idea/testData/inspectionsLocal/unlabeledReturnInsideLambda/returnInFunction.kt

@@ -0,0 +1,9 @@
+// PROBLEM: none
+// WITH_RUNTIME
+fun test() {
+    listOf(1).forEach {
+        fun foo() {
+            if (it == 10) <caret>return
+        }
+    }
+}