[profile] Updates for PR:

- Fix duplicated IDs between modals for the same status.
- Remove redundant button (https://github.com/mouse-reeve/bookwyrm/pull/680#discussion_r586743844).
- Remove redundant `role="navigation"` on `<nav>`.
- Add `dir="auto"` back for titles (https://github.com/mouse-reeve/bookwyrm/pull/680#discussion_r586715693).
- Use `exists` instead of `all` for conditional statement (https://github.com/mouse-reeve/bookwyrm/pull/680#discussion_r586716299).
- Fix missing spacing between avatar and username (https://github.com/mouse-reeve/bookwyrm/pull/680#discussion_r586740902).

bookwyrm/templates/snippets/username.html

@@ -1,8 +1,8 @@
 {% spaceless %}
 {% load bookwyrm_tags %}
 
-
-<{% if anchor %}a href="{{ user.local_path }}"{% else %}span{% endif %} class="user"
+<{% if anchor %}a href="{{ user.local_path }}"{% else %}span{% endif %}
+    class="user ml-1"
 >
     {{ user.name|default:user|username }}
 </a>