Include error handling when reading xls files

Summary

error handling

Depends on https://gitlab.com/caosdb/caosdb-advanced-user-tools/-/merge_requests/36

Test Environment

• checkout full in server-profile and apply your changeset for local testing.
• make sure tmp is used for advancedtools in docker/Dockerfile
• start server
• run tests/integration_tests/test.sh (you can reduce the number of file in profile/paths/extroot/GLA_ICE_DB/Data/Ant-Land-2018_SNOB/IC_EGRIP08/SSA_IceCube/ to speed up the test; that will cause 1 failure in the test though)
• try Trigger Crawler in the Webinterface. You should see something like Required information is missing (DepthBottom(m)) in 8. row (without header) of file:

Check List for the Author

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• All automated tests pass
• Reference related Issues
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