[5.1] GuidedTours: No error when joomla-welcome is missing #43139
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Summary of Changes
When an update of Joomla failed and the joomla-welcome guided tour wasn't added to the database, a big warning is displayed at the top of the backend dashboard. This PR adds another check to make sure we loaded anything in the first place before accessing it.
Testing Instructions
joomla-welcome
from#__guidedtours
Actual result BEFORE applying this Pull Request
Big warning at the top of the screen.
Expected result AFTER applying this Pull Request
No warning.
Link to documentations
Please select:
Documentation link for docs.joomla.org:
No documentation changes for docs.joomla.org needed
Pull Request link for manual.joomla.org:
No documentation changes for manual.joomla.org needed