api: Encoded certain api endpoint parameters.

Rectified the parameters in certain api endpoints to ,
take up default parameters rather than a dictionary.

Affected endpoints :

GET get_profile
POST update_presence
GET get_users
GET get_members
GET get_subscriptions
PATCH mute_topic
POST render_message
POST create_user
PUT update_storage
GET get_storage
POST set_typing_status

As discussed within zulip/zulip#16698