talkatu/talkatu

Convert TalkatuView to Gtk4
gtk4
2022-01-31, Gary Kramlich
159cf1e35402
Convert TalkatuView to Gtk4

Testing Done:
Tested with `gtk4-builder-tool preview view.ui` and compiled with `ninja talkatu/libtalkatu.so.0.1.0.p/talkatuview.c.o` to verify there were no warnings/errors.

Reviewed at https://reviews.imfreedom.org/r/1255/
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[Test link](https://pidgin.im)
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