Display default lesson first in lesson wizard

[donnapep]

Proposed Changes

Change the order of the options in the lesson wizard so that Default Lesson is first. Context - p6rkRX-6Ff-p2

Testing Instructions

1. Create a new lesson.
2. Proceed to the second step of the modal.
3. Check that Default Lesson is listed first.

Pre-Merge Checklist

• PR title and description contain sufficient detail and accurately describe the changes
• Acceptance criteria is met
• Decisions are publicly documented
• Adheres to coding standards (PHP, JavaScript, CSS, HTML)
• All strings are translatable (without concatenation, handles plurals)
• Follows our naming conventions (P6rkRX-4oA-p2)
• Hooks (p6rkRX-1uS-p2) and functions are documented
• New UIs are responsive and use a mobile-first approach
• New UIs match the designs
• Different user privileges (admin, teacher, subscriber) are tested as appropriate
• Code is tested on the minimum supported PHP and WordPress versions
• User interface changes have been tested on the latest versions of Chrome, Firefox and Safari
• "Needs Documentation" label is added if this change requires updates to documentation
• Known issues are created as new GitHub issues

[codecov]

Codecov Report

Merging #7119 (df272d4) into trunk (10ab5fe) will not change coverage.
Report is 4 commits behind head on trunk.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              trunk    #7119   +/-   ##
=========================================
  Coverage     49.37%   49.37%           
  Complexity    10544    10544           
=========================================
  Files           575      575           
  Lines         44529    44529           
  Branches        402      402           
=========================================
  Hits          21986    21986           
  Misses        22216    22216           
  Partials        327      327           

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 85297b6...df272d4. Read the comment docs.

[Imran92]

LGTM! 🚀