1.3.0

This is a rather small update. A couple of important fixes like broken filter search, several minor UI changes + updated translations.

[Added] A build number to About screen #406
[Added] "Filter rules syntax" link to the User filter #375
[Fixed] Filter search doesn't work #388
[Fixed] Not able to report a missed ad in Safari #394
[Fixed] Sometimes Adguard сrashes when you open advanced settings #451
[Fixed] Incorrect warning message on the main screen about the filters conversion error #414
[Improved] The translations have been updated #427