integrate roles and modes in roomSession and roomSessionUser

database/migrations/.snapshot-collab_space.json

database/migrations/Migration20250330142342.ts

database/migrations/Migration20250330143630.ts

database/migrations/Migration20250330143957.ts

src/activities/activities.module.ts

src/activities/activities.service.ts

src/channel/browser.gateway.ts

src/channel/channel.gateway.ts

src/channel/notes.gateway.ts

src/channel/whiteboard.gateway.ts

src/modes/mode.entity.ts

src/modes/mode.module.ts

src/modes/mode.service.ts

src/points/sessionPoints.entity.ts

src/points/sessionPoints.module.ts

src/points/sessionPoints.service.ts

src/roles/role.entity.ts

src/roles/role.module.ts

src/roles/role.service.ts

src/room/roomSession.controller.ts