keep annotations for explicit to var fixes (IDEA-193876)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/explicit2var/afterForeach.java

@@ -1,6 +1,7 @@
 // "Replace explicit type with 'var'" "true"
 class Main {
     void m(String[] args) {
-        for (var arg : args) ;
+        for (@Anno var arg : args) ;
     }
-}
+}
+@interface Anno {}