Refactored the Image Uploader feature. (#4971)

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -39,6 +39,8 @@
 - Bugfix: Fixed a freeze from a bad regex in _Ignores_. (#4965)
 - Bugfix: Fixed some emotes not appearing when using _Ignores_. (#4965)
 - Bugfix: Fixed lookahead/-behind not working in _Ignores_. (#4965)
+- Bugfix: Fixed Image Uploader accidentally deleting images with some hosts when link resolver was enabled. (#4971)
+- Bugfix: Fixed rare crash with Image Uploader when closing a split right after starting an upload. (#4971)
 - Dev: Change clang-format from v14 to v16. (#4929)
 - Dev: Fixed UTF16 encoding of `modes` file for the installer. (#4791)
 - Dev: Temporarily disable High DPI scaling on Qt6 builds on Windows. (#4767)
@@ -66,6 +68,7 @@
 - Dev: `Details` file properties tab is now populated on Windows. (#4912)
 - Dev: Removed `Outcome` from network requests. (#4959)
 - Dev: Added Tests for Windows and MacOS in CI. (#4970)
+- Dev: Refactored the Image Uploader feature. (#4971)
 
 ## 2.4.6