New select woka scene (#1997)

* animated grid tiles
* change woka's category with arrow buttons
* added some dynamic effects to woka's list
* add some drag distance treshold
* do not show arrows if only one collection
* WSAD and arrow keys movement through WOKA models
* Adapting end to end tests

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

front/src/Stores/SelectCharacterSceneStore.ts

@@ -1,3 +1,5 @@
 import { writable } from "svelte/store";
 
 export const customizeAvailableStore = writable(false);
+
+export const selectedCollection = writable<string>();