fix(database-modal): Refresh Data when importing (#20523)

* Database Modal:

- Add missing invocation to onDatabaseAdd after importing DB from file
- Add keys to our IconButtons

* Database Modal:

- Reduce if clause so it's more concise

superset-frontend/src/views/CRUD/data/database/DatabaseModal/index.tsx

@@ -788,6 +788,7 @@ const DatabaseModal: FunctionComponent<DatabaseModalProps> = ({
             onClick={() => setDatabaseModel(database.name)}
             buttonText={database.name}
             icon={dbImages?.[database.engine]}
+            key={`${database.name}`}
           />
         ))}
     </div>
@@ -973,11 +974,12 @@ const DatabaseModal: FunctionComponent<DatabaseModalProps> = ({
     ]);
 
     if (!(info.file.originFileObj instanceof File)) return;
-    await importResource(
+    const dbId = await importResource(
       info.file.originFileObj,
       passwords,
       confirmedOverwrite,
     );
+    if (dbId) onDatabaseAdd?.();
   };
 
   const passwordNeededField = () => {