JE-0000 fixed "Edit on GitHub" button

Author: alexey.lazarenko

theme/readthedocs/breadcrumbs.html

@@ -13,8 +13,8 @@
         {% if config.repo_url %}
           {% if config.repo_name == 'GitHub' %}
             <a href="{{ config.repo_url }}{% if [page] %}{{ [page.input_path][0] }} {% endif %}" target="_blank" rel="noopener noreferrer nofollow" class="icon icon-github"> Edit on GitHub</a>
-          {% elif repo_name == 'Bitbucket' %}
-           <a href="{{ repo_url }}" class="icon icon-bitbucket">Edit on BitBucket</a>
+          {% elif config.repo_name == 'Bitbucket' %}
+           <a href="{{ config.repo_url }}" class="icon icon-bitbucket">Edit on BitBucket</a>
           {% endif %}
         {% endif %}
       </li>