change extends <-> implements: ensure resulted list is formatted (IDEA-201751)

lists are created from light elements which are created from canonical texts and they just do not contain whitespaces

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/changeExtendsToImplements/afterFormatting.java

@@ -0,0 +1,5 @@
+// "Change 'implements b' to 'extends b'" "true"
+class a extends b<String, Integer> {
+}
+
+class b<T, K> {}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/changeExtendsToImplements/beforeFormatting.java

@@ -0,0 +1,5 @@
+// "Change 'implements b' to 'extends b'" "true"
+class a implements <caret>b<String, Integer> {
+}
+
+class b<T, K> {}