Increase select item meta data field size
Increase select item meta data field size

Sometime selection option requires complex domain using
`data-domain` meta data. The current 255 size may be small
in such cases.

Changing the size to 1024 is reasonably good and nondestructive.

Fixes RM-7775

axelor/axelor-development-kit,axelor/axelor-development-kit,axelor/axelor-development-kit,axelor/axelor-development-kit