Fix opening of locally available groupfolders in web browser from tray drop-down

[claucambra]

Caused by bad paths not being found locally -- usually double-slashes. Ensure we parse received group folder paths correctly even if the server makes a mistake

[sonarqubecloud[bot]]

Quality Gate failed

Failed conditions
C Maintainability Rating on New Code (required ≥ A)
7 New Code Smells (required ≤ 0)

See analysis details on SonarCloud

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[claucambra]

/backport to stable-3.14

[nextcloud-desktop-bot]

AppImage file: nextcloud-PR-6752-985d2d9a7a2071d4d62289d28b10cd7db628bac5-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[bot]]

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 SonarCloud

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