feat(pin-structures): pin already selected structures in search

src/app/form/form-view/profile-form/profile-structure-choice/profile-structure-choice.component.ts

@@ -72,15 +72,19 @@ export class ProfileStructureChoiceComponent implements OnInit {
             structure.alreadySelected = true;
           }
         });
-        if (this.searchString === '') {
-          structures.sort((a, b) => a.structureName.localeCompare(b.structureName));
-        }
-        this.structures = structures;
+
+        this.structures = this.sortStructures(structures);
         this.isAlreadySearching = false;
       });
     }
   }
 
+  private sortStructures(structures: Structure[]) {
+    if (this.searchString === '') structures.sort((a, b) => a.structureName.localeCompare(b.structureName));
+    structures.sort((a, b) => Number(b.alreadySelected) - Number(a.alreadySelected));
+    return structures;
+  }
+
   public addStructure(): void {
     this.createStructure.emit(this.searchString);
   }