documentation

Pull request #2801: ZBX-23369 updated and fixed JSON examples.

Merge in WEB/documentation from feature/ZBX-23369-7.3-D to release/7.4

* commit 'dc02f6cea4c11a0560bbbabf4849183015867024':
  ZBX-23369 improved response example, corrected the dates.
  ZBX-23369 updated and fixed JSON examples.