Remove broad `--socket=session-bus` access

[bbhtt]

Fixes https://github.com/flathub/io.freetubeapp.FreeTube/issues/64 but needs some testing.

• org.gnome.SettingsDaemon is for media keys which Freetube seems to support.

• org.mpris.MediaPlayer2.chromium.* is for persistent MPRIS notification.

• org.freedesktop.PowerManagement, org.freedesktop.ScreenSaver and org.gnome.SessionManager are the various interfaces used by Chromium (thus Electron's powerSaveBlocker to prevent display sleep. Freetube uses this API to prevent display sleep while a video is playing.

Hi, @PrestonN if you have time please review. Thank you!

[flathubbot]

Started test build 76156

[flathubbot]

Build 76156 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/74023/io.freetubeapp.FreeTube.flatpakref

[flathubbot]

Started test build 76198

[flathubbot]

Build 76198 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/74067/io.freetubeapp.FreeTube.flatpakref

[flathubbot]

Started test build 94178

[flathubbot]

Build 94178 failed

[bbhtt]

Build 94178 failed

Build fails as appstream validation fails due to wrong width and height in the appdata:

• attribute-invalid     : <screenshot> width (1567) did not match specified (1920) [https://raw.githubusercontent.com/FreeTubeApp/FreeTubeApp.io/master/src/images/FreeTube1.png]
• attribute-invalid     : <screenshot> height (1079) did not match specified (1016) [https://raw.githubusercontent.com/FreeTubeApp/FreeTubeApp.io/master/src/images/FreeTube1.png]
• attribute-invalid     : <screenshot> width (1567) did not match specified (1920) [https://raw.githubusercontent.com/FreeTubeApp/FreeTubeApp.io/master/src/images/FreeTube4.png]
• attribute-invalid     : <screenshot> height (1079) did not match specified (1013) [https://raw.githubusercontent.com/FreeTubeApp/FreeTubeApp.io/master/src/images/FreeTube4.png]
• attribute-invalid     : <screenshot> width (1567) did not match specified (1920) [https://raw.githubusercontent.com/FreeTubeApp/FreeTubeApp.io/master/src/images/FreeTube2.png]
• attribute-invalid     : <screenshot> height (1079) did not match specified (1017) [https://raw.githubusercontent.com/FreeTubeApp/FreeTubeApp.io/master/src/images/FreeTube2.png]
Validation of files failed

I've opened https://github.com/flathub/io.freetubeapp.FreeTube/pull/71 for that. It needs to be merged first to make the pipeline happy.

[bbhtt]

bot, build

[flathubbot]

Queued test build for io.freetubeapp.FreeTube.

[flathubbot]

Started test build 102073

[flathubbot]

Build 102073 failed

[flathubbot]

Started test build 102075

[flathubbot]

Started test build 102076

[flathubbot]

Build 102075 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/99786/io.freetubeapp.FreeTube.flatpakref

[flathubbot]

Build 102076 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/99787/io.freetubeapp.FreeTube.flatpakref

[flathubbot]

Started test build 102281

[flathubbot]

Build 102281 successful To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/99992/io.freetubeapp.FreeTube.flatpakref

[TingPing]

Thanks!