CATTY-442 Copy Brick with nested Bricks

[zwerg4]

When copying a Brick with nested Bricks (i.e., Forever, Repeat, Repeat Until, If Else, If) then all Bricks containing to this parent Brick should be copied as well.

If-Then, If-else, Forever, Repeat and Repeat Until works
created new Test
changed and added missing description for Loop Bricks

Your checklist for this pull request

Please review the contributing guidelines and wiki pages of this repository.

• Include the name of the Jira ticket in the PR’s title
• Verify that the Jira ticket is in the status Ready for Development
• Include a summary of the changes plus the relevant context
• Choose the proper base branch (develop)
• Confirm that the changes follow the project’s coding guidelines
• Verify that the changes generate no compiler or linter warnings
• Perform a self-review of the changes
• Verify to commit no other files than the intentionally changed ones
• Include reasonable and readable tests verifying the added or changed behavior
• Confirm that new and existing unit tests pass locally
• Check that the commits’ message style matches the project’s guideline
• Stick to the project’s git workflow (rebase and squash your commits)
• Verify that your changes do not have any conflicts with the base branch
• After the PR, verify that all CI checks have passed
• Post a message in the #catty Slack channel and ask for a code reviewer