Delayed unread value displaying and reactive sync triggering

[vladimiry]

• Delayed unread value displaying might happen if the local store option is not enabled.
• Reactive sync triggering delaying might happen if the local store option is enabled. Not a critical issue, like data missing / etc, since we have a fallback sync triggering scenario (which is not reactive though).

The reason is that @ProtonMail changed some API URLs at some point and I noticed that just recently and so the app doesn't get notified for messages/count / api/events API calls anymore which somehow breaks the reactivity capabilities.

Here is the change mapping (currently used by the app => needed to be used):

• ${entryApiUrl}/api/messages/count => ${entryApiUrl}/api/mail/v4/messages/count
• ${entryApiUrl}/api/events/.*== => ${entryApiUrl}/api/v4/events/.*==

Planned to be resolved as a part of #332.

[vladimiry]

I did overthink things. URLs listening change will need to happen in #332 since it's not https://github.com/ProtonMail/WebClient changed the URLs but https://github.com/ProtonMail/proton-mail which is not yet adopted by ElectronMail.