Rename: fix renaming of label by label reference in loop

#KT-29796 Fixed

idea/testData/refactoring/rename/labeledLoopByLabelRefInContinue2/after/test.kt

@@ -0,0 +1,6 @@
+fun test() {
+    bar@ for (n in 1..10) {
+        if (n == 5) continue@bar
+        if (n > 8) break@bar
+    }
+}

idea/testData/refactoring/rename/labeledLoopByLabelRefInContinue2/before/test.kt

@@ -0,0 +1,6 @@
+fun test() {
+    foo@ for (n in 1..10) {
+        if (n == 5) continue@/*rename*/foo
+        if (n > 8) break@foo
+    }
+}

idea/testData/refactoring/rename/labeledLoopByLabelRefInContinue2/labeledLoopByLabelRefInContinue.test

@@ -0,0 +1,5 @@
+{
+  "type": "AUTO_DETECT",
+  "mainFile": "test.kt",
+  "newName": "bar"
+}