doc: Fix some translations with some icons

[ghost]

1. Fix some English translations for 'cookies-and-session.md' file.
2. Union some icons for 'Right' and 'Wrong'.

• npm test passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines

[codecov]

Codecov Report

Merging #3315 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3315   +/-   ##
=======================================
  Coverage   99.76%   99.76%           
=======================================
  Files          29       29           
  Lines         844      844           
=======================================
  Hits          842      842           
  Misses          2        2

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[ghost]

@atian25 ：Plz have a check :)