fix(front): anonymous participant text is plain text, avoid using v-html

It was using v-html when opening to "view more"

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

src/filters/index.ts

@@ -1,4 +1,3 @@
-import nl2br from "@/filters/utils";
 import {
   formatDateString,
   formatTimeString,
@@ -11,6 +10,5 @@ export default {
     vue.filter("formatDateString", formatDateString);
     vue.filter("formatTimeString", formatTimeString);
     vue.filter("formatDateTimeString", formatDateTimeString);
-    vue.filter("nl2br", nl2br);
   },
 };