[web] Update admin permissions to view/modify project contents (#28162)

* Split capability definitions `modify-project`/`view-project` into `modify-project-content`/`modify-project-setting`/`view-project-content`/`view-project-setting`

* Add admin capabilities check in AuthorizationManager

* Update checks in router

* Update frontend checks

* Remove UI elements for admins without `view-project-content`

* Update tests

* Remove `modify-project-content` from the roles' capabilities

* Update tests

* Add "with admin roles" tests in AuthorizationTests.mjs

GitOrigin-RevId: 3311bcb2da792968927b5b3703b24e069d0baf5b

services/web/types/admin-capabilities.ts

@@ -11,14 +11,16 @@ export type AdminCapability =
   | 'modify-managed-group'
   | 'modify-managed-group-member'
   | 'modify-user-account-status'
-  | 'modify-project'
+  | 'modify-project-content'
+  | 'modify-project-setting'
   | 'manage-survey'
   | 'modify-split-test'
   | 'modify-user-email'
   | 'modify-user-name'
   | 'view-audit-log'
   | 'view-group-manager'
-  | 'view-project'
+  | 'view-project-content'
+  | 'view-project-setting'
   | 'view-session'
   | 'view-script-log'
   | 'view-split-test'