congrats_info() failed if learning card had negative due

https://forums.ankiweb.net/t/integralvalueoutofrange-for-filtered-deck/3353

rslib/src/storage/card/congrats.sql

@@ -10,13 +10,16 @@ select coalesce(
     coalesce(sum(queue = :user_buried_queue), 0) as user_buried,
     coalesce(sum(queue = :learn_queue), 0) as learn_count,
     coalesce(
-        min(
-            case
-                when queue = :learn_queue then due
-                else null
-            end
-        ),
-        0
+        max(
+            0,
+            min(
+                case
+                    when queue = :learn_queue then due
+                    else null
+                end
+            ),
+            0
+        )
     ) as first_learn_due
 from cards
 where did in (