chore: revert change

Author: peternhale

src/commands/force/org/clone.ts

@@ -123,8 +123,7 @@ export class OrgCloneCommand extends SfCommand<SandboxProcessObject> {
       const { sandboxReq, srcSandboxName } = await createSandboxRequest(true, flags.definitionfile, logger, varargs);
       logger.debug('Calling clone with SandboxRequest: %s and SandboxName: %s ', sandboxReq, srcSandboxName);
       flags['target-org'].getConnection(flags['api-version']);
-      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      return flags['target-org'].cloneSandbox(sandboxReq, srcSandboxName!, { wait: flags.wait });
+      return flags['target-org'].cloneSandbox(sandboxReq, srcSandboxName, { wait: flags.wait });
     } else {
       throw new SfError(
         messages.getMessage('commandOrganizationTypeNotSupport', [OrgTypes.Sandbox]),