Fix Get-AzStorageBlob Blob parameter definition

[madbrenner]

Existing definition of Blob parameter incorrectly states that it cannot take wildcard characters, but that any blobs matching the provided string will be returned. Actual behaviour I saw was the opposite - if wildcard charactes are provided they are used for string matching purposes, and if no wildcard characters exist in the given string, only blobs with a name matching the given string exactly are returned.
Screenshots:

Description

Checklist

• I have read the Submitting Changes section of CONTRIBUTING.md
• The title of the PR is clear and informative
• The appropriate ChangeLog.md file(s) has been updated:
  • For any service, the ChangeLog.md file can be found at src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md
  • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header -- no new version header should be added
• The PR does not introduce breaking changes
• If applicable, the changes made in the PR have proper test coverage
• For public API changes to cmdlets:
  • a cmdlet design review was approved for the changes in this repository (Microsoft internal only)
  • the markdown help files have been regenerated using the commands listed here

[adxsdkps]

Can one of the admins verify this patch?

[wyunchi-ms]

Hi @madbrenner , thanks for your contribution! You are correct. The parameter -Blob do support wildcards.