only allow edits of certain message types

Author: MathMan05

src/webpage/message.ts

@@ -71,15 +71,15 @@ class Message extends SnowFlake {
 				},
 			},
 		);
-
+		const editTypes = new Set([0, 19]);
 		Message.contextmenu.addButton(
 			() => I18n.getTranslation("message.edit"),
 			function (this: Message) {
 				this.setEdit();
 			},
 			{
 				visable: function () {
-					return this.author.id === this.localuser.user.id;
+					return this.author.id === this.localuser.user.id && editTypes.has(this.type);
 				},
 
 				icon: {