DOC-2420: Port changes from 7x docs for re-write of editor-plugin-verson.adoc

[kemister85]

Ticket: DOC-2420

Site: Staging branch

Changes:

• Port changes from 7x docs for re-write of editor-plugin-verson.adoc

Pre-checks:

• [x] Branch prefixed with feature/<version>/, hotfix/<version>/, staging/<version>/, or release/<version>/
• [x] modules/ROOT/nav.adoc has been updated (if applicable)

Review:

• [x] Documentation Team Lead has reviewed