fix(rpi-connect): use with_state of the latest python-redux version instead of view to avoid memoization of actions - closes #248

[sassanh]

Some actions need data from store, for example start_service of rpi connect, needs state.lightdm.is_active so that it can decide whether it should show the "LightDM is not running" notification or not.

To provide functions, information from the store, we used to use store.view decorator but as a bad side effect, it activates memoization for the function, so calling it for the second time, won't actually run it and will just return its previous return value.

That's why "start" button of the rpi connect worked only for the first time.

In this pull request we are using the new store.with_state decorator wherever memoization is not desired in place of store.view. store.with_state is available in the latest 0.20.0 release of python-redux.

Other than that, now rpi-connect's status command, when returning the number of active sessions, uses the plural noun "sessions" for when there are multiple active sessions and singluar noun "session" when there is only one, like "1 session", "2 sessions", etc. So I made the "s" in the regular expression parsing its output optional.

[mehrdadfeller]

It looks good to me. It seems like the associated action has failed though.

[codecov]

Codecov Report

Attention: Patch coverage is 63.63636% with 4 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
ubo_app/services/050-rpi-connect/commands.py	33.33%	2 Missing ⚠️
ubo_app/services/050-rpi-connect/sign_in_page.py	0.00%	1 Missing ⚠️
ubo_app/services/050-vscode/login_page.py	0.00%	1 Missing ⚠️

Flag	Coverage Δ
ubuntu-latest	56.51% <63.63%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
ubo_app/display.py	78.43% <100.00%> (ø)
ubo_app/services/010-voice/setup.py	55.46% <100.00%> (ø)
ubo_app/services/080-docker/docker_container.py	21.29% <100.00%> (ø)
ubo_app/services/080-docker/docker_image.py	38.23% <100.00%> (ø)
ubo_app/services/080-docker/menus.py	38.29% <100.00%> (ø)
ubo_app/services/090-web-ui/setup.py	34.55% <100.00%> (ø)
ubo_app/services/050-rpi-connect/sign_in_page.py	51.06% <0.00%> (-1.12%)	⬇️
ubo_app/services/050-vscode/login_page.py	52.00% <0.00%> (-1.07%)	⬇️
ubo_app/services/050-rpi-connect/commands.py	35.22% <33.33%> (-0.41%)	⬇️

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