Allow users with CREATE permission on Project level to create Deployments

Description

Since the introduction of Project-level permissions in Bamboo 6.2 it is possible to limit user to create Plans in selected project by disabling global CREATE permission and assigning it on the Project level. However when such user needs to work with Deployments global permission is still needed.

Proposed solution:

Feature flag controlled by system property will enable the new behavior in Bamboo:

• if a user is allowed to create Plan on any level (global or project) they will be also allowed to create Deployments