fix(settings): Only increment usercount if group can be found

Signed-off-by: Christopher Ng <chrng8@gmail.com>

Author: Pytal

apps/settings/src/store/users.js

@@ -167,9 +167,11 @@ const mutations = {
 			state.userCount++ // increment Active Users count
 
 			user.groups.forEach(userGroup => {
-				state.groups
-					.find(groupSearch => groupSearch.id === userGroup)
-				    .usercount++ // increment group total count
+				const group = state.groups.find(groupSearch => groupSearch.id === userGroup)
+				if (!group) {
+					return
+				}
+				group.usercount++ // increment group total count
 			})
 			break
 		case 'remove':