Add an explanation about why there is no filter update in mv3

[Alex-302]

Issue Details

It is often necessary to explain to users why there is no filter update feature. The current functionality looks like "removing unnecessary functionality" to the average user.

Original report

Issue URL (Incorrect Blocking)

https://vk.com/topic-53764934_29576319?offset=7060

Comment

Не обновляются фильтры. Что делать ?

Screenshots

Screenshot 1

Screenshot 1 with AdGuard disabled

System configuration

Information	Value
AdGuard product:	AdGuard Browser Extension v5.1.81 MV3
System version:	Windows 10
Browser:	Chrome
Tracking protection:	General settings: Block trackers, Strip URLs from tracking parameters, Hide your search queries, Send Do-Not-Track header Tracking methods: Self-destructing third-party cookies (2880)
Filters:	Ad blocking: AdGuard Base Privacy: AdGuard Tracking Protection, AdGuard URL Tracking Social widgets: AdGuard Social Media Annoyances: AdGuard Cookie Notices, AdGuard Popups, AdGuard Mobile App Banners, AdGuard Other Annoyances, AdGuard Widgets Security: Online Malicious URL Blocklist, Phishing URL Blocklist, Scam Blocklist by DurableNapkin, uBlock Origin – Badware risks Language-specific: AdGuard Russian
Browsing Security:	enabled
Browsing Security statistics:	disabled

Proposed solution

Add a filters update button, but make it yellow. When clicked, open a page or a hint explaining where the ability to update filters has disappeared. And also tell what should be done to make the extension updated.

Alternative solution

No response