[x] PR title descriptive (can be used in release notes)
Description
Changes the default favicon, which is displayed in browsers when the config.favicon_asset value is not overridden as is possible since #2192, from the ionic logo to IDEMS's trefoil knot logomark
PR Checklist
Description
Changes the default favicon, which is displayed in browsers when the
config.favicon_assetvalue is not overridden as is possible since #2192, from the ionic logo to IDEMS's trefoil knot logomarkGit Issues
Closes #
Screenshots/Videos
Browser tab showing the new default favicon: