Description of problem:

The hammer defaults add --param-name organization_id --param-value 1 command works successfully on Satellite 6.17, but it fails on Satellite 6.18 when using the organization_id default option with the value 1.

How reproducible:

Is this issue a regression from an earlier version:

Yes, the same hammer command executes successfully on Satellite 6.17, but it fails on Satellite 6.18.

Steps to Reproduce:

*Reproducer*  

*On 6.17*  
```

1. hammer organization list
   --|------|------|-----------|------
   ID | TITLE  | NAME   | DESCRIPTION | LABEL 
   --|------|------|-----------|------
   1  | RedHat | RedHat |             | RedHat
   --|------|------|-----------|------

1. hammer defaults add --param-name organization_id --param-value 1
   Added organization_id default-option with value 1.

1. hammer organization list
   --|------|------|-----------|------
   ID | TITLE  | NAME   | DESCRIPTION | LABEL 
   --|------|------|-----------|------
   1  | RedHat | RedHat |             | RedHat
   --|------|------|-----------|------
   ```

*After Upgrade to 6.18*  
```
Upgrade finished.

1. hammer organization list
   Internal Server Error: the server was unable to finish the request. This may be caused by unavailability of some required service, incorrect API call or a server-side bug. There may be more information in the server's logs.
   ```

Workaround  
Renaming the config file or deleting the default parameter resolves the issue and allows the `hammer organization list` command to work again.  

```

1. hammer defaults delete --param-name organization_id
   organization_id was deleted successfully.

1. hammer organization list
   --|------|------|-----------|------
   ID | TITLE  | NAME   | DESCRIPTION | LABEL 
   --|------|------|-----------|------
   1  | RedHat | RedHat |             | RedHat
   --|------|------|-----------|------

1. mv ~/.hammer/defaults.yml ~/.hammer/defaults.yml.bkp
   ```

Actual behavior:
[Describe the issue in detail, including what is happening and where]

Expected behavior:
[Describe what should be happening instead]

Business Impact / Additional info: