glance image-upload uploads an image without passing --file or stdin

[Mridula Joshi]

Steps to reproduce :
1) create an image
$ glance image-create --name image_test --container-format bare --disk-format raw

2) upload an image without passing any data
$ glance image-upload 1e6e18e8-40d1-4a01-b816-7279252d5698

$ glance image-show 1e6e18e8-40d1-4a01-b816-7279252d5698
+------------------+----------------------------------------------------------------------------------+
| Property | Value |
+------------------+----------------------------------------------------------------------------------+
| checksum | d41d8cd98f00b204e9800998ecf8427e |
| container_format | bare |
| created_at | 2024-02-14T15:31:15Z |
| disk_format | raw |
| id | 1e6e18e8-40d1-4a01-b816-7279252d5698 |
| locations | [{"url": "rbd://32a17987-217d-459d-920c-b1b902c74fa6/images/1e6e18e8-40d1-4a01- |
| | b816-7279252d5698/snap", "metadata": {"store": "fast"}}] |
| min_disk | 0 |
| min_ram | 0 |
| name | image_test |
| os_hash_algo | sha512 |
| os_hash_value | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0 |
| | ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
| os_hidden | False |
| owner | cfcb85dead354dac9bd0852150198df4 |
| protected | False |
| size | 0 |
| status | active |
| stores | fast |
| tags | [] |
| updated_at | 2024-02-14T15:32:15Z |
| virtual_size | Not available |
| visibility | shared |
+------------------+----------------------------------------------------------------------------------+

This will result in a 0 size image , without passing any data

Possible solution : the user must pass the data to upload image,
If user wants to create a zero size image it can be created by passing `--file zerobytefile `