Fix a bug in default orderby calc. in compression

[nikkhils]

There was a "cute" typo in the query used for the calculation of default orderbys in the case of compression. Fixed that.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.86%. Comparing base (59f50f2) to head (7ba7d49).
Report is 224 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7064      +/-   ##
==========================================
+ Coverage   80.06%   81.86%   +1.79%     
==========================================
  Files         190      200      +10     
  Lines       37181    37298     +117     
  Branches     9450     9725     +275     
==========================================
+ Hits        29770    30533     +763     
+ Misses       2997     2857     -140     
+ Partials     4414     3908     -506     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[timescale-automation]

Automated backport to 2.15.x not done: cherry-pick failed.

Git status

HEAD detached at origin/2.15.x
You are currently cherry-picking commit 4e6e8e7e2.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	new file:   .unreleased/fix_7064
	modified:   sql/compression_defaults.sql

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   tsl/test/expected/compression_defaults.out
	both modified:   tsl/test/sql/compression_defaults.sql

Job log