Availability indicator (#2044)

* status indicators changing properly

* away status wip

* updating away status on connection

* remove obsolete logs

* fix typecheck

* minor adjustments

* darker outline

* Trying darker outline

* Apply suggestions from code review

* Update pusher/src/Model/Zone.ts

* Making the dot smaller

* Marking onleavezone as deprecated

Co-authored-by: Piotr 'pwh' Hanusiak <p.hanusiak@workadventu.re>
Co-authored-by: David Négrier <d.negrier@thecodingmachine.com>

front/src/Phaser/Game/PlayerInterface.ts

@@ -7,6 +7,7 @@ export interface PlayerInterface {
     visitCardUrl: string | null;
     companion: string | null;
     userUuid: string;
+    away: boolean;
     color?: string;
     outlineColor?: number;
 }