chat/element-web: Update to 1.10.15

Upstream NEWS, omitting bugfixes and minor improvements.

* v1.10.14
** Features

    Configure custom home.html via .well-known/matrix/client["io.element.embedded_pages"]["home_url"] for all your element-web/desktop users (#7790). Contributed by @johannes-krude.
    Live location sharing - open location in OpenStreetMap (#8695). Contributed by @kerryarchibald.
    Add public room directory hook (#8626).

* v1.10.13
** Features

    Go to space landing page when clicking on a selected space (#6442). Fixes #20296.
    Improve welcome screen, add opt-out analytics (#8474). Fixes #21946.
    Remove some labs features which don't get used or create maintenance burden: custom status, multiple integration managers, and do not disturb (#8521).
    Improve UI/UX in calls (#7791). Fixes #19937.
    Add ability to change audio and video devices during a call (#7173). Fixes #15595.

* v1.10.12
** Features

    Read Receipts: never show +1, if it窶冱 just 4, show all of them (#8428). Fixes #21935.
    Add opt-in analytics to onboarding tasks (#8409). Fixes #21705.
    Allow user to control if they are signed out of all devices when changing password (#8259). Fixes #2671.
    Implement new Read Receipt design (#8389). Fixes #20574.
    Persist audio and video mute state in video rooms (#8376).
    Forcefully disconnect from video rooms on logout and tab close (#8375).
    Add local echo of connected devices in video rooms (#8368).

* v1.10.11
** Features

    Handle forced disconnects from Jitsi (#21697). Fixes #21517.

(gdt)