♻️ [refactor] centralize the generation of the device payload

[XaF]

The device payload allows to link all of our entities to a unique device in Home Assistant. So far, we were generating the payload distinctly in every payload configuration. With this change, we put that device payload on a method to ensure that this payload stays identical across entities.

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
apps/qolsysgw
gateway.py	158	31	80%	95–96, 131–154, 162, 187–188, 216–217, 226–227, 236–237, 243, 263–264
apps/qolsysgw/mqtt
exceptions.py	17	0	100%
listener.py	53	8	85%	42–44, 68–70, 74–75
updater.py	239	7	97%	165, 213, 216, 334, 385, 463, 537
utils.py	20	0	100%
apps/qolsysgw/qolsys
actions.py	50	2	96%	24, 34
config.py	65	12	82%	61–62, 64, 68, 73, 88–100, 110, 139
control.py	151	7	95%	39, 47, 51, 58, 65, 81, 88
events.py	232	21	91%	64, 69, 100, 104, 130–131, 163, 167, 190, 201, 208, 235, 251, 265, 278–280, 325, 357, 369, 414
exceptions.py	29	0	100%
observable.py	17	3	82%	13, 17–18
partition.py	120	7	94%	149–153, 159–163, 166
sensors.py	179	22	88%	51–72, 116, 120, 126, 155, 159, 166, 183, 187
socket.py	93	19	80%	36, 43, 52–54, 83–84, 103–105, 109–110, 114–116, 126–127, 133–134
state.py	64	3	95%	24, 74, 82
utils.py	32	4	88%	10, 13, 19–20
TOTAL	1519	146	90%

Tests	Skipped	Failures	Errors	Time
111	0 💤	0 ❌	0 🔥	29.058s ⏱️