Make non-colored resources and event match under "None"

src/mlpccg/database.ts

@@ -119,6 +119,15 @@ export async function getCards(filter: CardFilter) {
           }
         }
       }
+      // For "None" element searches, "nothing" is actually ok
+      if (
+        filter.Elements.includes("None") &&
+        x.Element.length == 0 &&
+        (!x.Requirement || x.Requirement.length == 0) &&
+        (!x.ProblemRequirement || x.ProblemRequirement.length == 0)
+      ) {
+        found = true;
+      }
       if (!found) {
         return false;
       }