Merge pull request #375 from fsommar/patch-1

Fix for null resolveProvider in codeAction

src/main/java/org/wso2/lsp4intellij/client/languageserver/requestmanager/DefaultRequestManager.java

@@ -737,6 +737,7 @@ private boolean checkCodeActionProvider(Either<Boolean, CodeActionOptions> provi
 
     private boolean checkCodeActionResolveProvider(Either<Boolean, CodeActionOptions> provider) {
         return provider != null && provider.isRight() && provider.getRight() != null
+                && provider.getRight().getResolveProvider() != null
                 && provider.getRight().getResolveProvider();
     }
 }