Allow bulk editing unread and shared state of bookmarks (#517)

* Move bulk actions into select

* Update tests

* Implement bulk read / unread actions

* Implement bulk share/unshare actions

* Show correct archiving actions

* Allow selecting bookmarks across pages

* Dynamically update select across checkbox

* Filter available bulk actions

* Refactor tag autocomplete toggling

bookmarks/tests/helpers.py

@@ -100,11 +100,12 @@ class BookmarkFactoryMixin:
 
         for i in range(1, count + 1):
             title = f'{prefix} {i}{suffix}'
+            url = f'https://example.com/{prefix}/{i}'
             tags = []
             if with_tags:
                 tag_name = f'{tag_prefix} {i}{suffix}'
                 tags = [self.setup_tag(name=tag_name)]
-            self.setup_bookmark(title=title, is_archived=archived, shared=shared, tags=tags, user=user)
+            self.setup_bookmark(url=url, title=title, is_archived=archived, shared=shared, tags=tags, user=user)
 
     def get_numbered_bookmark(self, title: str):
         return Bookmark.objects.get(title=title)
@@ -251,3 +252,8 @@ def disable_logging(f):
         return result
 
     return wrapper
+
+
+def collapse_whitespace(text: str):
+    text = text.replace('\n', '').replace('\r', '')
+    return ' '.join(text.split())