chore(): move getTopContext

[ShaMan123]

I didn't notice there were methods exposed for it, so I moved the method next to them (cosmetics)
#7697

[github-actions]

Code Coverage Summary

> fabric@5.1.0 coverage:report
> nyc report --reporter=lcov --reporter=text

-----------|---------|----------|---------|---------|-----------------------------------------------
File       | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s                             
-----------|---------|----------|---------|---------|-----------------------------------------------
All files  |   83.32 |    76.76 |   86.47 |   83.05 |                                               
 fabric.js |   83.32 |    76.76 |   86.47 |   83.05 | ...,29684,29809,29889-29954,30077,30176,30393 
-----------|---------|----------|---------|---------|-----------------------------------------------

[github-actions]

Code Coverage Summary

> fabric@5.1.0 coverage:report
> nyc report --reporter=lcov --reporter=text

-----------|---------|----------|---------|---------|-----------------------------------------------
File       | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s                             
-----------|---------|----------|---------|---------|-----------------------------------------------
All files  |   83.27 |    76.72 |   86.47 |      83 |                                               
 fabric.js |   83.27 |    76.72 |   86.47 |      83 | ...,29684,29809,29889-29954,30077,30176,30393 
-----------|---------|----------|---------|---------|-----------------------------------------------

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.