Remediate errors in various favicon fetch scenarios (#2779) #2795
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Fixes stuck "Download favicon" button on icon download attempts for IP
address hosts by skipping attempts to get 2nd level domain resources
(which resulted in calls to 0.0.0.).
Fixes some cases when DuckDuckGo fallback fails to find icon of >2-level
domains, by adding a request to a DDG URL based on entry's 2nd level
domain.
Repurposes EditWidgetIcons' private fetchCanceled slot (which as of #2439,
is unused by any code) into public abortRequests slot, which is
connected to the entry edit widget's accepted and rejected signals (in
other words, Ok or Cancel was pressed).
Type of change
Description and Context
Fixes issues discussed in comments of #2779
Testing strategy
Test cases:
https://www.secretescapes.de/
EditWidgetIcons::abortRequests()
Checklist:
-DWITH_ASAN=ON
. [REQUIRED]