MySQL flexible server region format

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**Related command**

az mysql flexible-server list/show
**Describe the bug**

The location property of each item listed in az mysql flexible-server list/show comes out with display format "North Central US"
instead of the format used in most other commands "northcentralus"
**To Reproduce**

az mysql flexible-server list --query [].location
outputs display name format of the regions of all instances
North Central US
East US
West Europe

**Expected behavior**

output should be in the same format as other az * list commands
az vm list --query [].location
northcentralus
eastus
westeurope

**Environment summary**

Can reproduce in win10 az 2.45 and 2.46, ubuntu 20.04 installed through WSL (same versions) and cloud shell

**Additional context**