Add overlay components for the PDF map

[andreia-ferreira]

Towards #3839

This PR introduces the overlay components for the map which will be included in the PDF report:

• NorthArrowLayout: a triangle with a 'N' label, to be displayed on the map top right corner
• ScaleBarLayout: a scale bar with a distance displayed centered above. The scaleLabel which was introduced in a previous PR has been removed from the MapBlock as it's not needed since the chosen approach is to display the scale as a bar in the map snapshot
• Added to PdfCanvas the drawMapOverlay method to draw the new components

@shobhitagarwal1612 PTAL?

[codecov]

Codecov Report

❌ Patch coverage is 84.61538% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 67.48%. Comparing base (0f57b1e) to head (6f6c6a1).

Files with missing lines	Patch %	Lines
...ndplatform/feature/pdf/render/DocumentPdfCanvas.kt	75.86%	6 Missing and 1 partial ⚠️
...rm/feature/pdf/render/layout/map/ScaleBarLayout.kt	88.88%	0 Missing and 2 partials ⚠️
...org/groundplatform/feature/pdf/render/PdfCanvas.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3857      +/-   ##
============================================
+ Coverage     67.40%   67.48%   +0.08%     
- Complexity     1840     1849       +9     
============================================
  Files           407      410       +3     
  Lines         10759    10818      +59     
  Branches       1420     1428       +8     
============================================
+ Hits           7252     7301      +49     
- Misses         2762     2769       +7     
- Partials        745      748       +3     

Files with missing lines	Coverage Δ
...groundplatform/feature/pdf/render/PdfTextPaints.kt	100.00% <100.00%> (ø)
...oundplatform/feature/pdf/mapper/LoiReportMapper.kt	91.04% <ø> (-0.14%)	⬇️
...latform/feature/pdf/model/SubmissionPdfDocument.kt	92.59% <100.00%> (-0.96%)	⬇️
...rg/groundplatform/feature/pdf/render/MapOverlay.kt	100.00% <100.00%> (ø)
.../feature/pdf/render/layout/map/NorthArrowLayout.kt	100.00% <100.00%> (ø)
...org/groundplatform/feature/pdf/render/PdfCanvas.kt	83.33% <0.00%> (-16.67%)	⬇️
...rm/feature/pdf/render/layout/map/ScaleBarLayout.kt	88.88% <88.88%> (ø)
...ndplatform/feature/pdf/render/DocumentPdfCanvas.kt	68.08% <75.86%> (+12.52%)	⬆️

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