fix: respect group name/desc privacy in list searching

PluralKit.Core/Database/Views/DatabaseViewsExt.cs

@@ -24,7 +24,8 @@ public static class DatabaseViewsExt
             static string Filter(string column) =>
                 $"(position(lower(@filter) in lower(coalesce({column}, ''))) > 0)";
 
-            query.Append($" and ({Filter("name")} or {Filter("display_name")}");
+            var nameColumn = opts.Context == LookupContext.ByOwner ? "name" : "public_name";
+            query.Append($" and ({Filter(nameColumn)} or {Filter("display_name")}");
             if (opts.SearchDescription)
             {
                 // We need to account for the possibility of description privacy when searching

PluralKit.Core/Database/Views/views.sql

@@ -56,5 +56,20 @@ select groups.*,
             inner join members on group_members.member_id = members.id
         where
             group_members.group_id = groups.id
-    ) as total_member_count
+    ) as total_member_count,
+
+    -- Extract group description as seen by "the public"
+    case
+        -- Privacy '1' = public; just return description as normal
+        when groups.description_privacy = 1 then groups.description
+        -- Any other privacy (rn just '2'), return null description (missing case = null in SQL)
+    end as public_description,
+    
+    -- Extract member name as seen by "the public"
+    case
+        -- Privacy '1' = public; just return name as normal
+        when groups.name_privacy = 1 then groups.name
+        -- Any other privacy (rn just '2'), return display name
+        else groups.display_name
+    end as public_name
 from groups;