chore: error and checkin

Author: nbbeeken

src/cmap/connection_pool.ts

@@ -485,12 +485,12 @@ export class ConnectionPool extends TypedEventEmitter<ConnectionPoolEvents> {
     for (const connection of this.checkedOut) {
       if (connection.generation <= minGeneration) {
         connection.onError(new PoolClearedOnNetworkError(this));
-        this.checkIn(connection);
       }
     }
   }
 
-  closeCheckedOutConnections() {
+  /** For MongoClient.close() procedures */
+  public closeCheckedOutConnections() {
     for (const conn of this.checkedOut) {
       conn.onError(new MongoClientClosedError());
     }

src/error.ts

@@ -1037,8 +1037,8 @@ export class MongoClientClosedError extends MongoAPIError {
    *
    * @public
    **/
-  constructor(message = 'Operation interrupted because client was closed') {
-    super(message);
+  constructor() {
+    super('Operation interrupted because client was closed');
   }
 
   override get name(): string {