fix: allow ISE in team prefix command for improved flexibility

VelocityCore/src/de/steamwar/velocitycore/commands/TeamCommand.java

@@ -366,7 +366,7 @@ public class TeamCommand extends SWCommand {
     }
 
     @Register(value = "prefix", description = "TEAM_PREFIX_USAGE")
-    public void prefix(@Validator("canUseTeamPrefix") Chatter sender, @StaticValue(value = {SW, STEAM_WAR, "Team"}, falseValues = {2}) boolean useSWTeamTag) {
+    public void prefix(@Validator("canUseTeamPrefix") Chatter sender, @StaticValue(value = {SW, STEAM_WAR, "Team"}, falseValues = {2}, allowISE = true) boolean useSWTeamTag) {
         SteamwarPrefix.setSWPrefix(sender.user(), useSWTeamTag);
         sender.system("TEAM_PREFIX_SET", useSWTeamTag ? STEAM_WAR : sender.parse("TEAM_PREFIX_TEAM"));
     }