fix(user): add member email lower case

src/app/profile/structure-add-member-modal/structure-add-member-modal.component.ts

@@ -47,7 +47,7 @@ export class StructureAddMemberModalComponent {
       return;
     }
     const user = new TempUser();
-    user.email = this.email;
+    user.email = this.email.toLowerCase();
 
     try {
       const res = await lastValueFrom(this.structureService.addOwnerToStructure(user, this.structure.structure._id));