Inherit parent environment in subprocesses

[hovsater]

This ensures that the language servers inherit the parent environment, retaining access to essential system variables while allowing for specific overrides.

[hovsater]

I might have opened up this pull request prematurely as it looks like this is already being done:

LSP/plugin/core/types.py

Lines 824 to 831 in 68c7031

	env = os.environ.copy()
	for key, value in self.env.items():
	if isinstance(value, list):
	value = os.path.pathsep.join(value)
	if key == 'PATH':
	env[key] = sublime.expand_variables(value, variables) + os.path.pathsep + env[key]
	else:
	env[key] = sublime.expand_variables(value, variables)