Minor bug fixes (#6019)

* PLT-6193 - Post right scroll for small threads

* PLT-6210 - Emoji icon not aligned.

* Fixing word break

webapp/sass/layout/_post.scss

@@ -857,6 +857,7 @@
         // If the last paragraph of an edited post is a paragraph, make it inline-block so that the (edited) indicator can be on the same line as it
         .post-message__text > p:last-child {
             display: inline-block;
+            width: auto;
         }
 
         .post-edited-indicator {
@@ -1122,6 +1123,7 @@
 
         &:after {
             content: '[...]';
+            font-family: 'Open Sans', sans-serif;
             position: relative;
             top: -1px;
         }