* convert state to value for pyside compatibility
use ItemIsUserTristate for keyboard event
* use whole field length to select item
* process keyboard tristate correctly
* get initial check state data as value
* try get state value for backwards compatibility
* formatting
* revert MouseButtonRelease event checks
* added new utils constant for tristate constant
* fixed both multiselection comboboxes
* fixed sorting of projects in project manager
* forgotten conversion of enum to int
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Co-authored-by: Jakub Trllo <jakub.trllo@gmail.com>
