Push name to the end, near text, in IRC layout

Currently, the name (and aux message) are align to the start, leaving a blank space between the end of the name and the message.

In a lot of IRC themes, names (and actions) are aligned to the end, next to the message, for a better readability.

Signed-off-by: Adrien CLERC <bugs-github@antipoul.fr>

res/css/views/rooms/_IRCLayout.scss

@@ -186,6 +186,7 @@ $irc-line-height: $font-18px;
                 overflow: hidden;
                 text-overflow: ellipsis;
                 min-width: var(--name-width);
+                text-align: end;
             }
         }
     }