Use a default content type if the browser doesn't give us one: home servers require a content type header.
Use a default content type if the browser doesn't give us one: home servers require a content type header.

williamboman/matrix-js-sdk,matrix-org/matrix-js-sdk,matrix-org/matrix-js-sdk,matrix-org/matrix-js-sdk,matrix-org/matrix-js-sdk,krombel/matrix-js-sdk,krombel/matrix-js-sdk,williamboman/matrix-js-sdk,krombel/matrix-js-sdk,williamboman/matrix-js-sdk