"Server address" validation not clear

Overview: 

**Server address field validation not clear. User does not realize they need to add ftp:// or http:// to make this valid.

Steps to Reproduce:

1. Log into some FOLIO environment as User X

2. Click Organization app

3. Click an organization

4. Open integration details accordion

5. Add integration

6. add letter to Server address field

7. Click somewhere else

Expected Results: Validation message displayed "URL is not valid, must include URL scheme. Eg. ftp://"

Actual Results: Validation message displayed "URL is not valid".

Additional Information: In testers users reported that it was unclear how to validate the url input

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