The provider arguments where not correctly being mapped in the action
plugin for eapi transport. This will now correctly map existing
arguments as well as set the correct defaults for values.
fixes#22442
* fixes error where eos would close the cli shell
* fixes network_cli connection plugin to check before calling open_shell()
* fixes json commands being sent over eapi
* refactors supports_sessions to a property
* exposes supports_sessions as a toplevel function
* adds open_shell() to network_cli
* implements open_shell() in eos action plugin
* fixes issue with load_provider() not checking for an existing key
* adds updates to eos_config results key
* lots of minor syntax fixes in eos shared module
* adds eos_argument_spec to eos_eapi
fixes#21402
* updates eos modules to use persistent connection socket
* removes split eos shared module and combines into one
* adds singular eos doc frag (eos_local to be removed after module updates)
* updates unit test cases
