fix(a11y): Activate add button with voice input

[Pytal]

• For [BITV] 9.2.5.3/4.1 - The visible label "Add" does not appear in the accessible name of the button in the same form as it is overridden by the use of aria-label="Actions". In this case, it cannot be guaranteed that the button will be activated through voice input. (1) #1674

Ensure users who use voice input can activate the add button

Ref: https://ashleemboyer.com/blog/don-t-overwrite-visual-labels-with-aria-label#how-do-i-fix-mismatched-aria-labels-and-visual-labels

[ShGKme]

Should we remove using default value for ariaLabel in NcActions when menuTitle is present?

[Pytal]

Should we remove using default value for ariaLabel in NcActions when menuTitle is present?

Since v8 is still in beta we can break things :D, so let's go with that!

[Pytal]

PR at nextcloud-libraries/nextcloud-vue#4447

[Pytal]

PR merged

Superseded by bump