ESOUI - Cyrodiil Wall & Door Repair

Not sure which sound it is but maybe it is one of these:

Code:

ABILITY_FAILED

ABILITY_FAILED_IN_COMBAT

GENERAL_ALERT_ERROR

A list of sounds can be found here:
https://wiki.esoui.com/Sounds

Just search and try which one is the correct one by using this script ingame in your chat edit box, and replacing <soundNameOfTheListCaseSensitiveHere> with the case sensitive sound name of the list, e.g.
ABILITY_CASTER_BUSY or DISPLAY_ANNOUNCEMENT. e.g.

Code:

/script PlaySound(SOUNDS.ABILITY_FAILED)

Code:

/script PlaySound(SOUNDS.<soundNameOfTheListCaseSensitiveHere>)

As you have found the sound try this ingame script in your chat edit box:

Lua Code:

SOUNDS.<soundNameOfTheListCaseSensitiveHere> = nil

As above: Replace the <soundNameOfTheListCaseSensitiveHere> placeholder with the soundName you have found to be the correct one.

But be warned. If this sound is used somehwere else ingame for you it won't be working anymore until reloadui/logout.

You could add it to an addon's EVEN_ADD_ON_LOADED function (just the part behind the /script) as well so it will be automatically applied each time you have this addon active.

Edit:
About your addon request: I doubt there will be anything as I cannot think of any help you'd get via addon there. There already exist addons for quickslot bar handling by keybinds e.g. and using quickslot profiles which might help you.
Everything else needs to be done manually or it will be botting (and not even possible via addons).