[#3770] Updated ARM and api files

[#3770] Updated ARM and api files

new file:   changelog_unreleased/3770-examine-cb-command-behavior-for-mulitple-options-with-the-same-code-in-a-given-scope
modified:   doc/sphinx/arm/hooks-cb-cmds.rst
modified:   src/share/api/remote-option4-global-del.json
modified:   src/share/api/remote-option4-global-get.json
modified:   src/share/api/remote-option4-global-set.json
modified:   src/share/api/remote-option4-network-del.json
modified:   src/share/api/remote-option4-network-set.json
modified:   src/share/api/remote-option4-pool-del.json
modified:   src/share/api/remote-option4-pool-set.json
modified:   src/share/api/remote-option4-subnet-del.json
modified:   src/share/api/remote-option4-subnet-set.json