Always render MqCode.

[JDarDagran]

Problem

When no SqlJobFacet exists, Dataset and Job info pages fail to render.

Closes: #2453

Solution

Always render MqCode component and safely pass null if no sql property.

One-line summary:

Fix rendering Dataset and Job pages when no SqlJobFacet exists.

Checklist

• You've signed-off your work
• Your changes are accompanied by tests (if relevant)
• Your change contains a small diff and is self-contained
• You've updated any relevant documentation (if relevant)
• You've included a one-line summary of your change for the CHANGELOG.md (Depending on the change, this may not be necessary).
• You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)
• You've included a header in any source code files (if relevant)

[codecov]

Codecov Report

Merging #2454 (cf62b2b) into main (c3163c0) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #2454   +/-   ##
=========================================
  Coverage     83.60%   83.60%           
  Complexity     1213     1213           
=========================================
  Files           231      231           
  Lines          5520     5520           
  Branches        266      266           
=========================================
  Hits           4615     4615           
  Misses          762      762           
  Partials        143      143           

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[pawel-big-lebowski]

Great job Jakub 🚀 🥇 🔢 💯 👍