iox-#1611 Change clang-format flag, commit fmt changes

[adityakarumanchi]

This PR modifies the clang-format configuration to automatically add spaces around brace-initialization. It also modifies all relevant files as per this new clang-format config.

Notes for Reviewer

Pre-Review Checklist for the PR Author

1. [x] Code follows the coding style of CONTRIBUTING.md -> No new code added
2. [x] Tests follow the best practice for testing -> No new tests added
3. [x] Changelog updated in the unreleased section including API breaking changes -> No code changes
4. [ ] Branch follows the naming format (iox-123-this-is-a-branch)
5. [ ] Commits messages are according to this guideline
   • [ ] Commit messages have the issue ID (iox-#123 commit text)
   • [ ] Commit author matches Eclipse Contributor Agreement (and ECA is signed)
6. [ ] Update the PR title
   • Follow the same conventions as for commit messages
   • Link to the relevant issue
7. [ ] Relevant issues are linked
8. [ ] Add sensible notes for the reviewer
9. [ ] All checks have passed (except task-list-completed)
10. [ ] Assign PR to reviewer

Checklist for the PR Reviewer

• [ ] Consider a second reviewer for complex new features or larger refactorings
• [ ] Commits are properly organized and messages are according to the guideline
• [ ] Code according to our coding style and naming conventions
• [ ] Unit tests have been written for new behavior
• [ ] Public API changes are documented via doxygen
• [ ] Copyright owner are updated in the changed files
• [ ] All touched (C/C++) source code files from iceoryx_hoofs have been added to ./clang-tidy-diff-scans.txt
• [ ] PR title describes the changes

Post-review Checklist for the PR Author

1. [ ] All open points are addressed and tracked via issues

References

• Closes gh-1611