fix(alert): don't drop the custom balloon icon on a busy shell

feat(ui): remove version number from window title

chore(release): bump version to 1.12.0

fix(alert): add colon after load label in title

feat(alert): put load in title and top process on second line

fix(tray): draw gauge as full-size ring

docs: screenshots

fix(gui): check the z-order on its own faster timer

Запрос на слияние 'feat/fix-cpu-measurement' (#1) из feat/fix-cpu-measurement в main

doc: screenshots

fix(gui): close the accent picker on Escape and on any click outside

chore(release): bump to 1.11.0

docs: write up the accent colour

doc: screenshots

fix(gui): close the accent picker on Escape and on any click outside

chore(release): bump to 1.11.0

docs: write up the accent colour

feat(gui): highlight the accent swatch under the cursor

feat(theme): check an accent against the background and the channels

fix: metrics.go