Add nil check for null or undefined before posting to FireBat API

[conbrad]

We had a null or undefined check for fuelTypeDetails but not for weatherStation. Replaces all checks with isNil to check for null and undefined.

Test Links:

Landing Page
MoreCast
Percentile Calculator
C-Haines
FireBat
FireBat bookmark
Auto Spatial Advisory (ASA)
HFI Calculator

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.35%. Comparing base (efa0524) to head (2bf27f2).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3961   +/-   ##
=======================================
  Coverage   81.35%   81.35%           
=======================================
  Files         298      298           
  Lines       11421    11421           
  Branches      541      541           
=======================================
  Hits         9292     9292           
  Misses       2094     2094           
  Partials       35       35           

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[dgboss]

Looks good. Just some unused imports to clean up.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud