Fix broken general settings UI file

[claucambra]

Looks like it was caused by a bad rebase conflict resolution in the talk notification PR

Fixes this:

AutoUic: /Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'horizontalLayout' (QHBoxLayout) is already in use, defaulting to 'horizontalLayout1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'verticalLayout_3' (QVBoxLayout) is already in use, defaulting to 'verticalLayout_31'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'updateChannelLabel' (QLabel) is already in use, defaulting to 'updateChannelLabel1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'updateChannel' (QComboBox) is already in use, defaulting to 'updateChannel1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'updateStateLabel' (QLabel) is already in use, defaulting to 'updateStateLabel1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'restartButton' (QPushButton) is already in use, defaulting to 'restartButton1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'autoCheckForUpdatesCheckBox' (QCheckBox) is already in use, defaulting to 'autoCheckForUpdatesCheckBox1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'updateButton' (QPushButton) is already in use, defaulting to 'updateButton1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'legalNoticeButton' (QPushButton) is already in use, defaulting to 'legalNoticeButton1'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'horizontalSpacer_2' (QSpacerItem) is already in use, defaulting to 'horizontalSpacer_21'.
/Users/claucambra/Downloads/GitRepos/desktop/src/gui/generalsettings.ui: Warning: The name 'verticalSpacer' (QSpacerItem) is already in use, defaulting to 'verticalSpacer1'.

[nextcloud-desktop-bot]

AppImage file: nextcloud-PR-7547-caf06d4dfdcc117b6c35c2e5a7494daee5f7213a-x86_64.AppImage

To test this change/fix you can simply download above AppImage file and test it.

Please make sure to quit your existing Nextcloud app and backup your data.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud