NAS-133932 / 25.10 / Ease of use improvements for ISO uploads

[bvasilenko]

Testing:

You'll find TODO list in the ticket.

Item 1:

See replication steps in the ticket. The problem was in the common component ix-file-input. I fixed it.

Item 2:

Replication steps:

1. User click Select ISO button, which is initially empty
2. User uploads .iso file
3. User closes the Volumes modal window
4. User clicks Select ISO button again
5. User uploads exactly same .iso file

Expected result: front-end does pre-validation and shows message immediately, without uploading the file.

Item 3:

Expected result: reporting of the upload progress ration in percentage 0% ... 100%

[bugclerk]

Jira URL: https://ixsystems.atlassian.net/browse/NAS-133932

[undsoft]

Provides better feedback in the UI, thanks.

[bugclerk]

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