Official APIs and performance improvements

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Please contribute/update a translation to Textractor if you can! All the text is in https://github.com/Artikash/Textractor/blob/master/text.cpp and https://github.com/Artikash/Textractor/blob/master/README.md

Features:
Bing and DeepL now allow supplying an API key to use official API.
The regex in hook search settings is now autofilled to find either roman/english or CJK text.
Performance improvements.

Bugfixes:
Saved text threads not being autoselected (should be more reliable, though a 100% perfect fix on this is nigh impossible).