feat: allow sorting of articles (#6833)

* feat: sort by position

* chore: whitespace change

* feat: add border bottom color to list item

* feat: allow dragging articles

* feat: add migration to reorder all articles

* feat: add onsort method

* feat: finish UI sorting

* feat: show 50 per page in articles list

* feat: add article sorting methods

* feat: patch up reorder action with the API

* refactor: better naming

* chore: add comments

* feat: attach position to article before create

* feat: move article to end if moved between categories

* chore: add comments

* chore: update version

* fix: don't change position if previous category was nil

* fix: condition to trigger update on category change

* refactor: store new_position

* refactor: use grid instead of table

* feat: add snug spacing

* feat: add grab-icon

* feat: add grab icon to list

* refactor: show draggable only for category page

* feat: add update_positions as a class method

---------

Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>

db/schema.rb

@@ -437,7 +437,7 @@ ActiveRecord::Schema.define(version: 2023_04_07_191457) do
     t.datetime "agent_last_seen_at"
     t.jsonb "additional_attributes", default: {}
     t.bigint "contact_inbox_id"
-    t.uuid "uuid", default: -> { "public.gen_random_uuid()" }, null: false
+    t.uuid "uuid", default: -> { "gen_random_uuid()" }, null: false
     t.string "identifier"
     t.datetime "last_activity_at", default: -> { "CURRENT_TIMESTAMP" }, null: false
     t.bigint "team_id"