docs(editor): Update .round() function in NumberExtensions.ts for clarity

[greyliath]

As per the forum post, we should probably specify when a whole number is returned, and when it isn't.

Github issue / Community forum post (link here to close automatically): https://community.n8n.io/t/round-description-is-possibly-wrong/30382/

[github-actions]

Great PR! Please pay attention to the following items before merging:

Files matching packages/**:

• If fixing bug, added test to cover scenario.
• If addressing forum or Github issue, added link to description.

Files matching packages/**/*.ts:

• Added unit tests to cover new or updated functionality.

Make sure to check off this list before asking for review.

[Joffcom]

Nice work 🙌🏻

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01% ⚠️

Comparison is base (5c6cccd) 32.00% compared to head (e1dd6ff) 31.99%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7150      +/-   ##
==========================================
- Coverage   32.00%   31.99%   -0.01%     
==========================================
  Files        3277     3277              
  Lines      197964   197964              
  Branches    21593    21589       -4     
==========================================
- Hits        63349    63342       -7     
- Misses     133554   133561       +7     
  Partials     1061     1061              

Files Changed	Coverage Δ
...ckages/workflow/src/Extensions/NumberExtensions.ts	96.15% <ø> (ø)

... and 2 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[cypress]

Passing run #2145 ↗︎

0

238

0

0

0

Details:

🌳 update_round_function_in_editor 🖥️ browsers:node18.12.0-chrome107 🤖 greylia...
Project: n8n	Commit: e1dd6ffcd6
Status: Passed	Duration: 07:38 💡
Started: Sep 11, 2023 4:22 PM	Ended: Sep 11, 2023 4:29 PM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[github-actions]

✅ All Cypress E2E specs passed

[janober]

Got released with n8n@1.7.1