Basic Portfolio Views (#1000)

* Add holdings tab to account view

* Basic portfolio UI

* Cleanup

* Handle missing holding data

* Remove synced at (implemented in separate pr)

* translations

* Tweak post sync streams

* Remove stale methods from merge conflict

app/javascript/controllers/bulk_select_controller.js

@@ -59,6 +59,7 @@ export default class extends Controller {
 
   deselectAll() {
     this.selectedIdsValue = []
+    this.element.querySelectorAll('input[type="checkbox"]').forEach(el => el.checked = false)
   }
 
   selectedIdsValueChanged() {