Add IS_SET and IS_NOT_SET options to SelfServeConditionRules and update UI with new rule creation button

- Extended condition rules with `IS_SET` and `IS_NOT_SET` options.
- Added "Tilføj betingelsesregel" button in `SelfServeConditionRulesModal` for enhanced rule management.

src/components/displays/department/tables/SelfServeConditionRulesModal.vue

@@ -56,6 +56,18 @@ const closeModal = () => {
               </span>
                 <span>Tilføj opgaveregel</span>
               </button>
+              <button
+                  class="button is-primary"
+                  @click="SessionUser.objects.self_serve_condition_rules.showCreateObjectForm({
+                    condition_id: condition.id,
+                    object_type: 'condition'
+                  }, loadList)"
+              >
+              <span class="icon">
+                <i class="fas fa-filter"></i>
+              </span>
+                <span>Tilføj betingelsesregel</span>
+              </button>
             </div>
           </template>
         </SelfServeConditionRulesPagination>

src/components/session/token/SessionUser/Objects/SelfServeConditionRules.vue

@@ -74,6 +74,8 @@ export const SelfServeConditionRules = {
         return [
           { id: "IS_TRUE", name: "Er sand" },
           { id: "IS_FALSE", name: "Er falsk" },
+          { id: "IS_SET", name: "Er sat" },
+          { id: "IS_NOT_SET", name: "Er ikke sat" },
         ];
       }
     },