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Fix instanceID for vmss nodes
**What this PR does / why we need it**:
When useInstanceMetadata is set to true for vmss nodes, their providerID is wrong.
Their providerID should be in format `azure:///subscriptions/<subscription-id>/resourceGroups/<rg-name>/providers/Microsoft.Compute/virtualMachineScaleSets/<scaleset-name>/virtualMachines/<instance-id>`.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#59855
**Special notes for your reviewer**:
**Release note**:
```release-note
Fix instanceID for vmss nodes.
```
use new storage account name generation method
use uuid to generate account name
change azure file account prefix
use uniqueID to generate a storage account name
fix comments
fix comments
fix comments
fix a storage account matching bug
only use UUID in getStorageAccountName func
use shorter storage account prefix for azure file
fix comments
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rewrite CreateFileShare code logic
fix gofmt issue
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