feat: add Server::getOnlineMode #1244

Job	Run time
Build Wheels for Python 3.9 on Ubuntu	6m 43s
Build Wheels for Python 3.9 on Windows	9m 46s
Build Wheels for Python 3.10 on Ubuntu	7m 24s
Build Wheels for Python 3.10 on Windows	11m 31s
Build Wheels for Python 3.11 on Windows	9m 54s
Build Wheels for Python 3.12 on Windows	10m 5s
Build Wheels for Python 3.11 on Ubuntu	6m 42s
Build Wheels for Python 3.13 on Windows	9m 8s
Build Wheels for Python 3.12 on Ubuntu	7m 1s
Build Wheels for Python 3.13 on Ubuntu	7m 6s
Publish Wheels to PyPI	0s
	1h 25m 20s

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