Add obs_source_send_key_click as alternative to .js status file

[upgradeQ]

Is your feature request related to a problem? Please describe.
A user might face permission error when writing and/or reading .js file

Describe the solution you'd like
Use obs_source_send_key_click function provide via API

Describe alternatives you've considered
Provide two .lua scripts, if one fails use the other.

Additional context
Key event must be passed to browser source, there is not yet API to send it to dock.

[noeal-dac]

Hi @upgradeQ,
I find it very interesting. It's true that the write permission causes a lot of problems.
I will investigate it. Thank you for your cooperation. ;)