(VRT) darkmode visual regression tests (#1860)

...ons-filters-transactions-by-category-6-chromium-linux.png

...actions-filters-transactions-by-date-2-chromium-linux.png

...actions-filters-transactions-by-date-3-chromium-linux.png

...actions-filters-transactions-by-date-4-chromium-linux.png

...actions-filters-transactions-by-date-5-chromium-linux.png

...actions-filters-transactions-by-date-6-chromium-linux.png

packages/desktop-client/playwright.config.js

packages/desktop-client/src/browser-preload.browser.js

packages/desktop-client/src/global-events.js

packages/desktop-electron/preload.js

upcoming-release-notes/1860.md