Concatenating strings directly assumes that all languages have the same structure as English, which it is not. This fix allows translators to move the tokens around per their language/grammar requirements.
#4239
Technically, the other modes can have a quick-action button as well, but for now it's not implemented since it's unlikely to be used.
The first usage will be to house the "toggle markdown editor" button, but it can be used for anything. The caller will handle the action.
It will be located at the upper-right, which is a better place for such a button. Putting the "toggle markdown editor" button on the bottom seems too far away and seems to make the 'Done|Cancel' area too busy/cluttered.
--- Problem (#4173) ---
Messages under <i18nMessage> weren't localized although the translation is available. However, the tokens for these messages are localized, causing a mixed-language final string.
--- Fix ---
It appears that the original message (instead of the localized) was used in the token-substitution process.
The best candidate is `aria-label`, followed by `description`.
Most of the existing elements already have these defined, so try to route it as the tooltip instead of having to explicitly define tooltips everywhere through a redundant `title` or <Tooltip> tag.
Minor side-effect:
This will cancel off any effect from a parent <Tooltip>, i.e. might confuse future developers who are trying to do "<Tooltip><Button></Button></Tooltip>".
The class was only returning a localized string for 'years' and 'months'; English was used for the rest.
- Fixed by handling the remaining cases.
- New strings were added (1) so that they will all be consistent language-wise until the translators handle them all (2) allows for cleaner code through variable re-use (%duration%).
