Display CoMPAS version(s)

[noraeb]

Is your feature request related to a problem? Please describe.
As a user of CoMPAS, I want to easily see which version of the application I am using. Currently, the Help page displays a version from packages/compas-open-scd/manifest.json (that has not been updated for a while), but the OpenSCD logo suggests it is the OpenSCD version ). This makes it difficult to report issues or confirm updates.

Describe the solution you'd like
I would like the app to clearly display the current compas-open-scd version (from its own package.json) in the UI, for example in the Help/About dialog or in the app footer/header. The version should always reflect the actual deployed version. I would also like to see the versions of the other CoMPAS services used in the distribution.

Requirements

• The displayed version must match the deployed CoMPAS OpenSCD version (not just the OpenSCD base version) and versions of other CoMPAS services.
• These versions should be visible in a standard location.
• The version should update automatically with each new release.

Suggestions for a specific user interaction

• Add the version string to the Help/About dialog, clearly labeled as the CoMPAS OpenSCD version.
• Optionally, display the version in the app footer for quick reference.

Additional information
n/a

Test Files
n/a

[github-actions]

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