Issue #1570 qgis user acceptance test

[JoerivanEngelen]

Fixes #1570

Description

• Adds pixi tasks which write away data a model dump to MDAL. This is part of the test plan, to be imported in QGIS and test if this still works.
• Fixes bug where error was thrown when attempting to regrid or mask a variable with only a layer dimension.

Checklist

• Links to correct issue
• Update changelog, if changes affect users
• PR title starts with Issue #nr, e.g. Issue #737
• Unit tests were added
• If feature added: Added/extended example

[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