Fix front percent lookup

Dapper can't map lists of ID types in an input position so we select it to a plain ulong list :)

PluralKit.Core/Services/PostgresDataStore.cs

@@ -346,7 +346,7 @@ namespace PluralKit.Core {
                 memberObjects = (
                     await conn.QueryAsync<PKMember>(
                         "select * from members where id = any(@Switches)", // lol postgres specific `= any()` syntax
-                        new { Switches = switchMembers.Select(m => m.Member).Distinct().ToList() })
+                        new { Switches = switchMembers.Select(m => m.Member.Value).Distinct().ToList() })
                 ).ToDictionary(m => m.Id);
             }