merge(#28049): arjun/wiki-modal-buttons

commits
=======
- fix: change buttons in wiki modal to anchor tags

lms/templates/wiki/history.html

@@ -215,15 +215,15 @@
         {% trans "Back to history view" as tmsg %}{{tmsg|force_escape}}
       </a>
       {% if article|can_write:user %}
-        <button type="button" class="btn btn-large btn-primary switch-to-revision">
+        <a class="btn btn-large btn-primary switch-to-revision">
           <span class="icon fa fa-flag" aria-hidden="true"></span>
           {% trans "Switch to this version" as tmsg %}{{tmsg|force_escape}}
-        </button>
+        </a>
       {% else %}
-        <button type="button" class="btn btn-large btn-primary disabled">
+        <a class="btn btn-large btn-primary disabled">
           <span class="icon fa fa-lock" aria-hidden="true"></span>
           {% trans "Switch to this version" as tmsg%}{{tmsg|force_escape}}
-        </button>
+        </a>
       {% endif %}
       </div>
     </div>
@@ -250,15 +250,15 @@
           {% trans "Back to history view" as tmsg%}{{tmsg|force_escape}}
         </a>
         {% if article|can_write:user %}
-        <button type="button" class="btn btn-large btn-primary merge-revision-commit">
+        <a class="btn btn-large btn-primary merge-revision-commit">
           <span class="icon fa fa-file" aria-hidden="true"></span>
           {% trans "Create new merged version" as tmsg%}{{tmsg|force_escape}}
-        </button>
+        </a>
         {% else %}
-          <button type="button" class="btn btn-large btn-primary disabled">
+          <a type="button" class="btn btn-large btn-primary disabled">
             <span class="icon fa fa-lock" aria-hidden="true"></span>
             {% trans "Create new merged version" as tmsg%}{{tmsg|force_escape}}
-          </button>
+          </a>
         {% endif %}
       </div>
     </div>