Fix partial room token matches in JS

output/js/util.js

@@ -83,9 +83,17 @@ export const dom = {
 	tbl_communities: () => document.getElementById("tbl_communities"),
 	tbl_communities_content_rows:
 		() => Array.from(dom.tbl_communities()?.rows)?.filter(row => !row.querySelector('th')),
+	/**
+	 * @param {string} communityID
+	 * @param {bool} matchIdPrefix
+	 * @returns {HTMLRowElement | null}
+	 */
 	community_row: (communityID, matchIdPrefix=false) => {
 		const identifier = ATTRIBUTES.ROW.IDENTIFIER;
+		// Support matching shorter legacy IDs in links online
 		const matches = matchIdPrefix ? '^=' : '=';
+		// Support matching room token, but only as a full match (plus symbol and hex code follows)
+		const id = communityID.includes('+') ? `${communityID}+` : communityID;
 		return document.querySelector(`.room-row[${identifier}${matches}"${communityID}"]`);
 	},
 	/**