Create a GravityView Search Block, we only have a Widget

[rafaehlers]

While replying to a customer, I noticed we don't have a GravityView Search Block, which would be super convenient. We only have a widget, and the new themes are not using widgets anymore.

Related article: https://docs.gravitykit.com/article/222-the-wordpress-search-widget

Existing Widgets:

Existing Blocks:

[floatytheastronaut]

FreeScout #76370.
https://support.gravitykit.com/conversation/76370?folder_id=4