Updated Russian translations. maintenance

Updated Russian translations.

Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.

Merged with default branch to prepare a new release. maintenance

UicLoadUi6: fixed a wrong import statement.

Project: fixed an issue creating new projects.

MicroPython: refined the selection of unknown dvices.

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

MicroPython: changed the logic of the device/port selector slightly.

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eric ide