feat(server,web): remove external path nonsense and make libraries admin-only (#7237)

* remove external path

* open-api

* make sql

* move library settings to admin panel

* Add documentation

* show external libraries only

* fix library list

* make user library settings look good

* fix test

* fix tests

* fix tests

* can pick user for library

* fix tests

* fix e2e

* chore: make sql

* Use unauth exception

* delete user library list

* cleanup

* fix e2e

* fix await lint

* chore: remove unused code

* chore: cleanup

* revert docs

* fix: is admin stuff

* table alignment

---------

Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>
Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/openapi/test/create_user_dto_test.dart

@@ -21,11 +21,6 @@ void main() {
       // TODO
     });
 
-    // String externalPath
-    test('to test the property `externalPath`', () async {
-      // TODO
-    });
-
     // bool memoriesEnabled
     test('to test the property `memoriesEnabled`', () async {
       // TODO