Selection by subtype for many more elements

[XiaoMigros]

This PR allows selection by subtype of elements where it previously wasn't possible. Additionally it resolves: #23019

For example, the subtype option for key signatures was previously grayed out. Now, it's possible to select them based on key:

• [x] I signed the CLA
• [x] The title of the PR describes the problem it addresses
• [x] Each commit's message describes its purpose and effects, and references the issue it resolves
• [ ] If changes are extensive, there is a sequence of easily reviewable commits
• [x] The code in the PR follows the coding rules
• [x] There are no unnecessary changes
• [x] The code compiles and runs on my machine, preferably after each commit individually
• [ ] I created a unit test or vtest to verify the changes I made (if applicable)