PLT-3456 Fix Errors while starting the server (#3445)

* PLT-3456 AppErrors that are triggered before translations are loaded crash server or produce bad error messages.

* Fixing tests

utils/config_test.go

@@ -8,6 +8,7 @@ import (
 )
 
 func TestConfig(t *testing.T) {
+	TranslationsPreInit()
 	LoadConfig("config.json")
 	InitTranslations(Cfg.LocalizationSettings)
 }