[Fix] Add suppress diff for azure_attributes.spot_bid_max_price in …

…`databricks_instance_pool` (#3970)

## Changes
<!-- Summary of your changes that are easy to understand -->

Resolves #3969

## Tests
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How is this tested? Please see the checklist below and also describe any
other relevant tests
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- [x] `make test` run locally
- [ ] relevant change in `docs/` folder
- [ ] covered with integration tests in `internal/acceptance`
- [ ] relevant acceptance tests are passing
- [ ] using Go SDK

pools/resource_instance_pool.go

@@ -197,6 +197,11 @@ func ResourceInstancePool() common.Resource {
 				clusters.AzureAvailabilityOnDemand,
 			}, false)
 		}
+		if v, err := common.SchemaPath(s, "azure_attributes", "spot_bid_max_price"); err == nil {
+			v.DiffSuppressFunc = func(k, oldValue, newValue string, d *schema.ResourceData) bool {
+				return oldValue != "0" && newValue == "0"
+			}
+		}
 		if v, err := common.SchemaPath(s, "gcp_attributes", "gcp_availability"); err == nil {
 			v.Default = clusters.GcpAvailabilityOnDemand
 			v.ValidateFunc = validation.StringInSlice([]string{