New Crowdin updates (#1457)

public/locales/lv/common.json

@@ -3,12 +3,12 @@
   "about": "Par Programmu",
   "cancel": "Atcelt",
   "close": "Aizvērt",
-  "back": "",
+  "back": "Atpakaļ",
   "delete": "Dzēst",
   "ok": "OK",
   "edit": "Rediģēt",
-  "next": "",
-  "previous": "",
+  "next": "Nākamais",
+  "previous": "Iepriekšējais",
   "confirm": "Apstipriniet",
   "enabled": "Iespējots",
   "disabled": "Atspējots",