feat: Collection admins (#5273

* Split permissions for reading documents from updating collection

* fix: Admins should have collection read permission, tests

* tsc

* Add admin option to permission selector

* Combine publish and create permissions, update -> createDocuments where appropriate

* Plural -> singular

* wip

* Quick version of collection structure loading, will revisit

* Remove documentIds method

* stash

* fixing tests to account for admin creation

* Add self-hosted migration

* fix: Allow groups to have admin permission

* Prefetch collection documents

* fix: Document explorer (move/publish) not working with async documents

* fix: Cannot re-parent document to collection by drag and drop

* fix: Cannot drag to import into collection item without admin permission

* Remove unused isEditor getter

app/components/DocumentsLoader.tsx

@@ -0,0 +1,21 @@
+import { observer } from "mobx-react";
+import * as React from "react";
+import Collection from "~/models/Collection";
+
+type Props = {
+  enabled: boolean;
+  collection: Collection;
+  children: React.ReactNode;
+};
+
+function DocumentsLoader({ collection, enabled, children }: Props) {
+  React.useEffect(() => {
+    if (enabled) {
+      void collection.fetchDocuments();
+    }
+  }, [collection, enabled]);
+
+  return <>{children}</>;
+}
+
+export default observer(DocumentsLoader);