* Implement "Hide Cursor On Idle" option
Adds a general option to autohide the cursor after 8s have elapsed.
* Fix cursor not hiding on Windows and dispose it
* Don't dispose cursor, fix var names
* Abide by the GNOME documentation
* Fix nits
* Disabled by default, make it so it doesn't utilize any timer
* Remove *NIX time and extra lines
* Don't calculate if option is disabled
* Move if case
* Fix alignment
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