Summary: SVG files look less blurry on high-resolution screens. These trivial SVG files are self-created. Closes T16207 Test Plan: * Go to http://phorge.localhost/T1, click "Flag For Later" * Go to http://phorge.localhost/flag/ and also click on Edit Query, see new icons also in the search form * Go to http://phorge.localhost/maniphest/query/advanced/ and search for T1, look at the flag shown on the right of the result * On all those pages, zoom as much as your browser can zoom * Go to http://phorge.localhost/settings/panel/display/ and repeat the same steps in Dark Mode Reviewers: O1 Blessed Committers, valerio.bozzolan Reviewed By: O1 Blessed Committers, valerio.bozzolan Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno Maniphest Tasks: T16207 Differential Revision: https://we.phorge.it/D26243