Fix : Senso setPoint and setBack for Zone and add Manual mode

[xaviergriffon]

Corrected urls and payloads for set_zone_heating_setpoint_temperature and set_zone_heating_setback_temperature methods for Senso. During the tests, I noticed that the Manual mode was not taken into account.

Resolve: #108

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (b9df85d) 98.44% compared to head (fef7abb) 98.44%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #109 +/- ## ======================================= Coverage 98.44% 98.44% ======================================= Files 28 28 Lines 1931 1931 ======================================= Hits 1901 1901 Misses 30 30 ``` | [Impacted Files](https://codecov.io/gh/thomasgermain/pymultiMATIC/pull/109?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain) | Coverage Δ | | |---|---|---| | [pymultimatic/model/zone.py](https://codecov.io/gh/thomasgermain/pymultiMATIC/pull/109?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain#diff-cHltdWx0aW1hdGljL21vZGVsL3pvbmUucHk=) | `98.14% <ø> (ø)` | | | [pymultimatic/api/payloads\_senso.py](https://codecov.io/gh/thomasgermain/pymultiMATIC/pull/109?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain#diff-cHltdWx0aW1hdGljL2FwaS9wYXlsb2Fkc19zZW5zby5weQ==) | `100.00% <100.00%> (ø)` | | | [pymultimatic/api/urls\_senso.py](https://codecov.io/gh/thomasgermain/pymultiMATIC/pull/109?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain#diff-cHltdWx0aW1hdGljL2FwaS91cmxzX3NlbnNvLnB5) | `100.00% <100.00%> (ø)` | | | [pymultimatic/systemmanager.py](https://codecov.io/gh/thomasgermain/pymultiMATIC/pull/109?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain#diff-cHltdWx0aW1hdGljL3N5c3RlbW1hbmFnZXIucHk=) | `94.48% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Thomas+Germain)

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[thomasgermain]

@xaviergriffon just need a small rebase since I also modified SystemManager

[xaviergriffon]

@xaviergriffon just need a small rebase since I also modified SystemManager

rebase performed.