MM-57084: Use cache for GetAllProfiles (#26391)

UserStore.GetAllProfiles is a very frequent call. We cache it
when there are no options passed which is the default case.

https://mattermost.atlassian.net/browse/MM-57084

```release-note
NONE
```

server/public/model/cluster_message.go

@@ -20,6 +20,7 @@ const (
 	ClusterEventInvalidateCacheForRoles                     ClusterEvent = "inv_roles"
 	ClusterEventInvalidateCacheForRolePermissions           ClusterEvent = "inv_role_permissions"
 	ClusterEventInvalidateCacheForProfileByIds              ClusterEvent = "inv_profile_ids"
+	ClusterEventInvalidateCacheForAllProfiles               ClusterEvent = "inv_all_profiles"
 	ClusterEventInvalidateCacheForProfileInChannel          ClusterEvent = "inv_profile_in_channel"
 	ClusterEventInvalidateCacheForSchemes                   ClusterEvent = "inv_schemes"
 	ClusterEventInvalidateCacheForFileInfos                 ClusterEvent = "inv_file_infos"