refactorisation fished, contents are back in grid

src/components/objects/Project.vue

@@ -12,39 +12,31 @@
     </mesh>
     <div v-if="isOpened">
       <ContentBlock
-        v-for="item in contents.visibles"
-        :key="item.id"
-        :prtPosition="position"
-        :prtSize="size"
-        :prtIndex="index"
+        v-for="(item, i) in contents.visibles"
+        :key="i"
         type="visible"
+        :prtId="id"
         :data="item"
         />
       <ContentBlock
-        v-for="item in contents.contexts"
-        :key="item.id"
-        :prtPosition="position"
-        :prtSize="size"
-        :prtIndex="index"
+        v-for="(item, i) in contents.contexts"
+        :key="i"
         type="context"
+        :prtId="id"
         :data="item"
         />
       <ContentBlock
-        v-for="item in contents.processes"
-        :key="item.id"
-        :prtPosition="position"
-        :prtSize="size"
-        :prtIndex="index"
+        v-for="(item, i) in contents.processes"
+        :key="i"
         type="process"
+        :prtId="id"
         :data="item"
         />
       <ContentBlock
-        v-for="item in contents.concepts"
-        :key="item.id"
-        :prtPosition="position"
-        :prtSize="size"
-        :prtIndex="index"
+        v-for="(item, i) in contents.concepts"
+        :key="i"
         type="concept"
+        :prtId="id"
         :data="item"
         />
     </div>