Failed to render filtered cube dimensions

[yhabteab]

Describe the bug

Trying to create filtered cube dimensions fails badly.

To Reproduce

1. Add a new dimension Host app dimensions=host.vars.app
2. Use one of the resulted slices as a filter ...&slice.host.vars.app=container
3. Add another dimension ...&host.vars.department
4. Use one of the resulted slices as a filter ...&slice.host.vars.department=nms
5. Now try to add a third dimension and you should've reproduced the error

Expected behavior

It should just work.

Screenshots

/cube/hosts?dimensions=host.vars.app%252Chost.vars.department%2Chost.vars.env&showSettings=1&sort=severity%2525252520desc%252520asc&slice.host.vars.app=container&slice.host.vars.department=nms

Your Environment

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• Icinga Web 2 version and modules (System - About):
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• PHP version used (php --version):
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Additional context

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