Iteration 3: Support creating and modifying VeraCrypt volumes in Disks

See the UI design for this in the blueprint.

Parent Task: #15227 (closed)

Subtasks

• #15038 (closed)
• #15229 (closed)
• #15235 (closed)

Related issues

• Has duplicate #15228 (closed)
• Blocked by #15049 (closed)

Original created by @segfault on 15050 (Redmine)