Dashboard.spec.js: fix mock in createCampWithRole

This fixes the warnings happening in querySyncHelper.js:
[Vue warn]: Error in mounted hook (Promise/async): "TypeError: Cannot read properties of undefined (reading 'allItems')"

found in

---> <Dashboard> at /home/lucius/projects/ecamp/ecamp3/main/frontend/src/views/camp/Dashboard.vue
       <Root>
TypeError: Cannot read properties of undefined (reading 'allItems')
    at /home/lucius/projects/ecamp/ecamp3/main/frontend/src/helpers/querySyncHelper.js:146:37
    at Array.map (<anonymous>)
    at Module.loadAndProcessCollections (/home/lucius/projects/ecamp/ecamp3/main/frontend/src/helpers/querySyncHelper.js:146:6)
    at VueComponent.mounted (/home/lucius/projects/ecamp/ecamp3/main/frontend/src/views/camp/Dashboard.vue:373:1)

frontend/src/views/camp/__tests__/Dashboard.spec.js

@@ -38,6 +38,13 @@ const AUTH = {
 function createCampWithRole(role) {
   return () => ({
     campCollaborations: () => ({
+      _meta: {
+        self: '/campCollaborations?camp=%2Fapi%2Fcamps%2F6973c230d6b1',
+        load: Promise.resolve({
+          allItems: [],
+        }),
+        loading: false,
+      },
       items: [
         {
           role: role,
@@ -46,6 +53,42 @@ function createCampWithRole(role) {
         },
       ],
     }),
+    categories: () => ({
+      _meta: {
+        self: '/categories?camp=%2Fapi%2Fcamps%2F6973c230d6b1',
+        load: Promise.resolve({
+          allItems: [],
+        }),
+        loading: false,
+      },
+    }),
+    periods: () => ({
+      _meta: {
+        self: '/periods?camp=%2Fapi%2Fcamps%2F6973c230d6b1',
+        load: Promise.resolve({
+          allItems: [],
+        }),
+        loading: false,
+      },
+    }),
+    progressLabels: () => ({
+      _meta: {
+        self: '/progressLabels?camp=%2Fapi%2Fcamps%2F6973c230d6b1',
+        load: Promise.resolve({
+          allItems: [],
+        }),
+        loading: false,
+      },
+    }),
+    activities: () => ({
+      _meta: {
+        self: '/activities?camp=%2Fapi%2Fcamps%2F6973c230d6b1',
+        load: Promise.resolve({
+          allItems: [],
+        }),
+        loading: false,
+      },
+    }),
   })
 }