documentation

Pull request #1926: feature/ZBX-18297-7.2-D. Updated tags & event menu-related webhook parameter description.

Merge in WEB/documentation from feature/ZBX-18297-7.2-D to release/7.2

* commit 'bbbe240428bd70142df38b6caa7bbcd36371ba7b':
  [ZBX-18297] fixed shortcomings
  [ZBX-18297] fixed shortcomings
  [ZBX-18297] updated wording
  [ZBX-18297] refined "Configuring alert actions" section wording
  [ZBX-18297] updated wording
  [ZBX-18297] fixed line breaks
  [ZBX-18297] updated wording
  [ZBX-18297] updated tags & event menu-related webhook parameter description