Add whitespace after if to pass code style check

Author: Eva Müller

core/src/main/java/hudson/Functions.java

@@ -2633,7 +2633,7 @@ public static String translateModifierKeysForUsersPlatform(String keyboardShortc
         StaplerRequest2 currentRequest = Stapler.getCurrentRequest2();
         currentRequest.getWebApp().getDispatchValidator().allowDispatch(currentRequest, Stapler.getCurrentResponse2());
         String userAgent = currentRequest.getHeader("User-Agent");
-        if(userAgent != null) {
+        if (userAgent != null) {
           List<String> platformsThatUseCommand = List.of("MAC", "IPHONE", "IPAD");
           boolean useCmdKey = platformsThatUseCommand.stream().anyMatch(e -> userAgent.toUpperCase().contains(e));
           return keyboardShortcut.replace("CMD", useCmdKey ? "⌘" : "CTRL");