Fix reactions breaking on ZWJ

Reactions with emoji that use ZWJ can break into multiple lines, due to
the ZWJ being considered whitespace, and the container not being big
enough to fit them.

This commit fixes this by applying a white-space: nowrap declaration to
the emoji container.

src/plugins/textEmoji/index.ts

@@ -16,6 +16,8 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
+import "./styles.css";
+
 import { Devs } from "@utils/constants";
 import definePlugin from "@utils/types";
 

src/plugins/textEmoji/styles.css

@@ -0,0 +1,3 @@
+.reaction_fef95b .emoji {
+    white-space: nowrap;
+}