azurerm_databricks_workspace: Fix disabling default firewall

[favoretti]

Bugfix: explicitly set firewallEnabled to false, instead of only setting it when enabled, thus supporting disabling it too.

[16:05](⎈|eastus2-fxs-atlas-prod-fxc:ops)➜  hashicorp/terraform-provider-azurerm git:(favoretti/26213) ✗ TF_ACC=1 go test -v ./internal/services/databricks -timeout=1000m -run='TestAccDatabricksWorkspace_defaultStorageFirewall'
=== RUN   TestAccDatabricksWorkspace_defaultStorageFirewall
=== PAUSE TestAccDatabricksWorkspace_defaultStorageFirewall
=== CONT  TestAccDatabricksWorkspace_defaultStorageFirewall
--- PASS: TestAccDatabricksWorkspace_defaultStorageFirewall (679.23s)
PASS
ok  	github.com/hashicorp/terraform-provider-azurerm/internal/services/databricks	681.305s
[16:21](⎈|eastus2-fxs-atlas-prod-fxc:ops)  hashicorp/terraform-provider-azurerm git:(favoretti/26213) ✗ TF_ACC=1 go test -v ./internal/services/databricks -timeout=1000m -run='TestAccDatabricksWorkspace_basic'
=== RUN   TestAccDatabricksWorkspace_basic
=== PAUSE TestAccDatabricksWorkspace_basic
=== CONT  TestAccDatabricksWorkspace_basic
--- PASS: TestAccDatabricksWorkspace_basic (441.04s)
PASS
ok  	github.com/hashicorp/terraform-provider-azurerm/internal/services/databricks	443.146s

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Change Log

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• azurerm_databricks_workspace: Fix disabling default firewall [azurerm_databricks_workspace: Fix disabling default firewall #26339]

This is a (please select all that apply):

• Bug Fix
• New Feature (ie adding a service, resource, or data source)
• Enhancement
• Breaking Change

Related Issue(s)

Fixes #26213

Note

If this PR changes meaningfully during the course of review please update the title and description as required.

[favoretti]

[mbfrahry]

LGTM!

[github-actions]

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