Fix Span of ProgramSyntax

[shenglol]

Closes #926.

[codecov-io]

Codecov Report

Merging #954 (a0ac0f4) into main (14ef033) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #954      +/-   ##
==========================================
- Coverage   94.33%   94.33%   -0.01%     
==========================================
  Files         316      316              
  Lines       14774    14771       -3     
  Branches       12       12              
==========================================
- Hits        13937    13934       -3     
  Misses        837      837              

Flag	Coverage Δ
dotnet	94.93% <100.00%> (-0.01%)	⬇️
typescript	25.78% <ø> (ø)

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Impacted Files	Coverage Δ
src/Bicep.Core/Syntax/ProgramSyntax.cs	100.00% <100.00%> (ø)
...gServer/Handlers/BicepDocumentFormattingHandler.cs	88.00% <100.00%> (ø)

[anthony-c-martin]

Great catch! Would you mind sharing your repro on the issue, out of interest?

[majastrz]

Was the issue limited to only formatting? I thought it happened in other scenarios as well.

[shenglol]

Great catch! Would you mind sharing your repro on the issue, out of interest?

Sure will do.

[shenglol]

Was the issue limited to only formatting? I thought it happened in other scenarios as well.

No formatting actually works fine, and it only happens in other scenarios. I've noticed a similar bug when I was testing the formatter so I added FullSpan to ProgramSyntax for the formatting handler to use, but I didn't realize it's a broader issue.