Fix language dropdown margin left (#9048)

Author: cweitat

app/components/public/stream/side-panel.hbs

@@ -66,7 +66,7 @@
                 <span class="ml-2">{{stream.name}}</span>
                 {{#if (eq index 0)}}
                   {{#if (gt this.translationChannels.length 1)}}
-                  <div style="display:inline-block;margin-left:50px">
+                  <div style="display:inline-block;margin-left:auto">
                     <div class="translation-dropdown-button translation-dropdown-container ">
                       <UiDropdown class="btn btn-secondary dropdown-toggle"
                                   @onChange={{ action "switchLanguage"}}>