Initial change log for v2.3.0

Merge pull request fyne-io#3388 from Bluebugs/changelog/update-v2.2.4

Update changelog with last PR added to release 2.2.4

Merge pull request fyne-io#3365 from Bluebugs/release/v2.2.x

Release v2.2.4

Merge branch 'release/v2.2.x'

Had to back out the iOS fix

Merge branch 'release/v2.2.x'

Merge pull request fyne-io#3103 from andydotxyz/fix/preicon

Don't forget about icons set before systray menu

Wrap up changelog for v2.2.2

Update CHANGELOG for rc1

Merge branch 'master' of github.com:fyne-io/fyne