Subtable row height

[adrg]

• Copy row height when adding subtables
• Add GetRowHeight method to the Table component

Addresses #403

[codecov]

Codecov Report

Merging #404 into v3 will decrease coverage by 5.39%.
The diff coverage is 83.33%.

@@            Coverage Diff            @@
##               v3     #404     +/-   ##
=========================================
- Coverage   60.84%   55.45%   -5.4%     
=========================================
  Files         151      151             
  Lines       27471    27477      +6     
=========================================
- Hits        16716    15236   -1480     
- Misses      10371    10377      +6     
- Partials      384     1864   +1480

Impacted Files	Coverage Δ
pdf/creator/table.go	87.3% <83.33%> (-4.43%)	⬇️
pdf/creator/utils.go	55.55% <0%> (-22.23%)	⬇️
pdf/core/security/handlers.go	33.33% <0%> (-16.67%)	⬇️
pdf/model/optimize/image_ppi.go	59.7% <0%> (-16.42%)	⬇️
pdf/model/reader.go	48.34% <0%> (-15.17%)	⬇️
pdf/ps/exec.go	62.96% <0%> (-14.82%)	⬇️
pdf/ps/operations.go	53.45% <0%> (-13.84%)	⬇️
pdf/model/signature_handler.go	55.04% <0%> (-13.77%)	⬇️
pdf/core/stream.go	31.08% <0%> (-13.52%)	⬇️
pdf/extractor/image.go	66.08% <0%> (-13.05%)	⬇️
... and 94 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 82a1d32...74ff7f9. Read the comment docs.