Trivial bug fixes

[dgboss]

• Fix date display logic
• Show message when fire centre selected but no fire zone unit HFI data available (eg. Select date in the future)
• Hide 'No critical hours available' text when no warning or advisory has been issued.

Test Links:

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

[sonarcloud]

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

[brettedw]

Nice, thanks!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.31%. Comparing base (5493240) to head (33e3d9c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3921   +/-   ##
=======================================
  Coverage   81.31%   81.31%           
=======================================
  Files         294      294           
  Lines       11362    11362           
  Branches      526      526           
=======================================
  Hits         9239     9239           
  Misses       2089     2089           
  Partials       34       34           

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