Improve account sync performance, handle concurrent market data syncing (#2236)

* PlaidConnectable concern

* Remove bad abstraction

* Put sync implementations in own concerns

* Sync strategies

* Move sync orchestration to Sync class

* Clean up sync class, add state machine

* Basic market data sync cron

* Fix price sync

* Improve sync window column names, add timestamps

* 30 day syncs by default

* Clean up market data methods

* Report high duplicate sync counts to Sentry

* Add sync states throughout app

* account tab session

* Persistent account tab selections

* Remove manual sleep

* Add migration to clear stale syncs on self hosted apps

* Tweak sync states

* Sync completion event broadcasts

* Fix timezones in tests

* Cleanup

* More cleanup

* Plaid item UI broadcasts for sync

* Fix account ID namespace conflict

* Sync broadcasters

* Smoother account sync refreshes

* Remove test sync delay

app/views/shared/notifications/_loading.html.erb

@@ -1,9 +0,0 @@
-<%# locals: (message:, id: nil) %>
-
-<%= tag.div id: id, class: "flex gap-3 rounded-lg bg-container p-4 group w-full md:max-w-80 shadow-border-xs" do %>
-  <div class="h-5 w-5 shrink-0 p-px text-primary">
-    <%= icon "loader", class: "animate-pulse" %>
-  </div>
-
-  <%= tag.p message, class: "text-primary text-sm font-medium" %>
-<% end %>