Add alias for /cleartext (smogon#7850)

* Add alias for /cleartext

Pr for https://www.smogon.com/forums/threads/add-a-short-alias-for-hidetext-hidelines-and-cleartext.3673226/#post-8700023

* Update server/chat-commands/moderation.ts

Co-authored-by: Annika <annika0uwu@gmail.com>

Co-authored-by: Annika <annika0uwu@gmail.com>

server/chat-commands/moderation.ts

@@ -1638,14 +1638,15 @@ export const commands: ChatCommands = {
 	hidelines: 'hidetext',
 	hlines: 'hidetext',
 	cleartext: 'hidetext',
+	ctext: 'hidetext',
 	clearaltstext: 'hidetext',
 	clearlines: 'hidetext',
 	forcecleartext: 'hidetext',
 	hidetext(target, room, user, connection, cmd) {
 		if (!target) return this.parse(`/help hidetext`);
 		room = this.requireRoom();
 		const hasLineCount = cmd.includes('lines');
-		const hideRevealButton = cmd.includes('clear');
+		const hideRevealButton = cmd.includes('clear') || cmd === 'ctext';
 		target = this.splitTarget(target);
 		let lineCount = 0;
 		if (/^[0-9]+\s*(,|$)/.test(target)) {