goimports the whole repo

I had initially failed to apply gofmt/goimports, which in turn lead me
to avoid calling these due to the large diffs.

wp_single_pixel_buffer: Add support

zwp_idle_inhibit: Add support

Avoid wlhax socket collisions

This allows running multiple wlhax instances, should one have a reason
to do so.

wp_fractional_scale_v1: Add support

wl_output: Track scale

wl_surface: Track preferred scale/transform

wl_output: show name

wl_seat: show name

Avoid breaking display on error

Handle empty mode command

Add closewrite command

xdg_shell: Update with suspended state

surface: clear buffer instead of role on null attach

surface: Clear role on null attach

Change arg to be command to run

Scroll support

viewporter: Add support

ui: Add space-to-fold

pointer: 'focus' -> 'entered'