Merge pull request #6200 from overleaf/jel-toggle-rich-text

[web] Fix toggle for older browsers

GitOrigin-RevId: 1d30cf2a9cabf1b436f6f6419da7d1ef322aaa68

services/web/frontend/stylesheets/app/editor/toolbar.less

@@ -258,7 +258,6 @@
 
 .toggle-switch {
   align-items: center;
-  display: flex;
   height: 24px;
   width: 100%;
   background-color: @toggle-switch-bg;
@@ -269,6 +268,7 @@
 
 .toggle-switch-label {
   display: inline-block;
+  float: left;
   font-weight: normal;
   height: 100%;
   width: 50%;