[Fix] UI Fixes (#266)

Rather than have a bunch of pull-requests that @jebus will have to merge shall we collect some of the fixes for the UI issues I found in here.

- [x] #259
- [x] #260
- [x] #261
- [x] #262
- [x] #263
- [x] #264
- [x] #265

Co-authored-by: Tobias O <tobias.olenyi@envipath.com>
Reviewed-on: enviPath/enviPy#266
Co-authored-by: Liam Brydon <lbry121@aucklanduni.ac.nz>
Co-committed-by: Liam Brydon <lbry121@aucklanduni.ac.nz>

templates/components/navbar.html

@@ -118,7 +118,7 @@
             </div>
           </a>
         {% endif %}
-        {% if meta.user.username == 'anonymous' or public_mode %}
+        {% if meta.user.username == 'anonymous' %}
           <a href="{% url 'login' %}" id="loginButton" class="p-2">Login</a>
         {% else %}
           <div class="dropdown dropdown-end">