chore: enable nullable on APIv3 series controller #1117

Job	Run time
Current Information	10s
Build Docker Image - amd64 (Daily)	1m 31s
Build CLI — Standalone linux-x64 (Daily)	1m 1s
Build Docker Image - arm64 (Daily)	2m 1s
Build Tray Service Standalone (Daily)	3m 19s
Build CLI — Standalone linux-arm64 (Daily)	1m 24s
Build Tray Service Framework (Daily)	4m 15s
Build CLI — Framework linux-x64 (Daily)	1m 9s
Push combined tag for both docker images	10s
Add tag for pre-release	8s
Upload version info to Sentry.io	8s
Send notifications about the new daily build	3s
Upload archive to site	2m 59s
	18m 18s

Provide feedback