Nettoyage de data

* séparation de options, calc, ...
* extraction de méthodes pour clarifier ce qui est fait dans getData
* fix de la feuille: utiliser data.data
* fix d'Actor:  update({ data.data

module/actor-entite-sheet.js

@@ -20,33 +20,17 @@ export class RdDActorEntiteSheet extends ActorSheet {
     });
   }
 
-  /* -------------------------------------------- */  
-  _checkNull(items) {
-    if (items && items.length) {
-      return items;
-    }
-    return [];
-  }
-
   /* -------------------------------------------- */
   getData() {
-    let data = super.getData();
+    let sheetData = super.getData();
     
-    data.itemsByType = {};
-    for (const item of data.items) {
-      let list = data.itemsByType[item.type];
-      if (!list) {
-        list = [];
-        data.itemsByType[item.type] = list;
-      }
-      list.push(item);
-    }
-    
-    data.data.carac.taille.isTaille = true; // To avoid button link;
-    data.data.competencecreature = data.itemsByType["competencecreature"];
-    data.data.isGM = game.user.isGM;
+    sheetData.data.competencecreature = sheetData.itemsByType["competencecreature"];
 
-    return data;
+    data.options = {
+      isGM: game.user.isGM
+    };
+
+    return sheetData;
   }
   
   /* -------------------------------------------- */