Add import failure warning messages in Resource Imp.
Before this commit, the failure warning message didn't tell the user any reason for the file to fail to import, just that it failed. This commit adds a dialog that shows all files together with reasons why importing them failed.
Test Plan
Try to import a big png file.
Formalities Checklist
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I confirmed this builds. -
I confirmed Krita ran and the relevant functions work. -
I tested the relevant unit tests and can confirm they are not broken. (If not possible, don't hesitate to ask for help!) -
I made sure my commits build individually and have good descriptions as per KDE guidelines. -
I made sure my code conforms to the standards set in the HACKING file. -
I can confirm the code is licensed and attributed appropriately, and that unattributed code is mine, as per KDE Licensing Policy.