don't add getConnectionId to the public interface

Author: lerouxb

packages/cli-repl/src/mongosh-repl.ts

@@ -442,7 +442,7 @@ class MongoshNodeRepl implements EvaluationListener {
     return {
       currentDatabaseAndConnection: () => {
         return {
-          connectionId: instanceState.currentDb.getMongo().getConnectionId(),
+          connectionId: instanceState.currentDb.getMongo()._getConnectionId(),
           databaseName: instanceState.currentDb.getName(),
         };
       },

packages/shell-api/src/mongo.ts

@@ -303,7 +303,7 @@ export default class Mongo<
     ) as CollectionWithSchema<M, M[KD], M[KD][KC]>;
   }
 
-  getConnectionId(): string {
+  _getConnectionId(): string {
     return `connection_${this._connectionId}`;
   }
 

packages/shell-api/src/shell-instance-state.ts

@@ -404,7 +404,7 @@ export class ShellInstanceState {
 
   public getMongoByConnectionId(connectionId: string): Mongo {
     for (const mongo of this.mongos) {
-      if (mongo.getConnectionId() === connectionId) {
+      if (mongo._getConnectionId() === connectionId) {
         return mongo;
       }
     }