♻️(models) rename document/template access rights

The "member" access right does not make sense for documents and templates.
What we really need are "editor" and "reader" access rights.

src/frontend/apps/impress/src/features/pads/pad-management/types.tsx

@@ -12,7 +12,8 @@ export interface Access {
 }
 
 export enum Role {
-  MEMBER = 'member',
+  READER = 'reader',
+  EDITOR = 'editor',
   ADMIN = 'administrator',
   OWNER = 'owner',
 }

src/frontend/apps/impress/src/features/pads/pad-tools/types.ts

@@ -1,5 +1,6 @@
 export enum Role {
-  MEMBER = 'member',
+  READER = 'reader',
+  EDITOR = 'editor',
   ADMIN = 'administrator',
   OWNER = 'owner',
 }