untagged-31dce135: Cognates summary optimization (#1140)

* setting group of languages

* cleanup

* tuned interface

* minor

* dashboard reference

* cleanup

* cleanup

* cleanup

* perspectives limit

* correct ordering

* handle errors

* tuned

* minor

untagged-ff302725

minor

untagged-d9b64622

Cognates summary -- https://github.com/ispras/lingvodoc-react/issues/…

untagged-288da345

renewing filter

untagged-85d6a719

correct current total

untagged-199a7ace

big optimization

untagged-eb413597

hotfixes

untagged-c810c7c4

fixed cognate metrics

untagged-171b9247

Perspective view better pagination -- https://github.com/ispras/lingv…

untagged-040b2e63

fixed distance map