Julian Sparber f053200462 ruma-client-api: Use Mxc type
This also fixes the wrong mxc url in the test for joined_members. Mxc
urls don't use a ":" as seperator between server name and media id.
2021-03-25 13:04:23 +01:00
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2021-03-25 13:04:23 +01:00