Support BreakConverter in ConvertSwitchToIfIntention

Fixes IDEA-141261 'Replace 'switch' with 'if'' intention produces incorrect code if some 'case' clause contains 'break' statement inside 'if'

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convertSwitchToIf/afterString.java

@@ -2,15 +2,13 @@
 class X {
   public void doSomething( String value) {
       //comment1
-      //comment3
       //comment4
-      //comment5
       //comment6
-      //comment7
       //comment8
       if ("case1".equals(value)) {//comment2
-      } else if ("case2".equals(value)) {
-      } else {
+          //comment3
+      } else if ("case2".equals(value)) {//comment5
+      } else {//comment7
       }
   }
 }