v1.6.3

Changelog:

9c969f9 Load Windows Svc icon with new icon system
cf3d4e0 Fix unimplemented find icon fallback function
cd34d64 Fix profile icon package refs
307fb5a Improve profile import and export regarding IDs, fingerprints and defaults
1e2491c Improve profile ID migration errors and run migration again
c999d55 Add support for finding app icons on Linux (MVP)
af71238 Improve rule help