2 replace all actions have been performed:
- "SPDX-License-Identifier: AGPL-3.0-only" to "SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial"
- "Please see LICENSE in the repository root for full details." to "Please see LICENSE files in the repository root for full details."
* Add centralised 'room is DM' check
Also add extension functions for `MatrixRoom` and `MatrixRoomInfo`.
* Use the centralised method and extension functions through the app, including:
- Room list.
- Room details screen.
- Invites.
- Notifications.
Replace most `isDirect` usages with `isDm`.
* Update screenshots
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Co-authored-by: ElementBot <benoitm+elementbot@element.io>
