fix(reflectors): allow unspecified countries through country filter

src/main.rs

@@ -161,8 +161,8 @@ fn resolve_reflectors(
         }
         if filter_country
             && !countries.is_empty()
-            && !definition.country.as_ref().is_some_and(|country| {
-                countries
+            && definition.country.as_ref().is_some_and(|country| {
+                !countries
                     .iter()
                     .any(|allowed| allowed.eq_ignore_ascii_case(country))
             })