Fix using qualified this with labeled function literals

#KT-9251 Fixed

compiler/testData/diagnostics/tests/labels/labeledFunctionLiteral.kt

@@ -0,0 +1,17 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+val funLit = lambda@ fun String.() {
+    val d1 = this@lambda
+}
+
+fun test() {
+    val funLit = lambda@ fun String.(): String {
+        return this@lambda
+    }
+}
+
+fun lambda() {
+    val funLit = lambda@ fun String.(): String {
+        return <!NO_THIS!>this@lambda<!>
+    }
+}

compiler/testData/diagnostics/tests/labels/labeledFunctionLiteral.txt

@@ -0,0 +1,5 @@
+package
+
+public val funLit: kotlin.String.() -> kotlin.Unit
+public fun lambda(): kotlin.Unit
+public fun test(): kotlin.Unit