Redundant nullable return type: fix false positive with non-local return

#KT-41800 Fixed

idea/testData/inspectionsLocal/redundantNullableReturnType/function/returnNullableFromLambdaInBlockBody.kt

@@ -0,0 +1,9 @@
+// PROBLEM: none
+class MyClass
+
+inline fun <T> acceptMyClass(m: (MyClass?) -> T) {}
+
+fun one(): MyClass?<caret> {
+    acceptMyClass { return it }
+    return MyClass()
+}

idea/testData/inspectionsLocal/redundantNullableReturnType/function/returnNullableFromLambdaInSingleExpressionBody.kt

@@ -0,0 +1,5 @@
+// PROBLEM: none
+// WITH_RUNTIME
+fun test(str: String): String?<caret> = str.run {
+    return null
+}

idea/testData/inspectionsLocal/redundantNullableReturnType/property/returnNullableFromLambdaInGetter.kt

@@ -0,0 +1,6 @@
+// PROBLEM: none
+// WITH_RUNTIME
+val test: Int?<caret>
+    get() = run {
+        return null
+    }