azurerm_monitor_diagnostic_setting updating metric and logs on each terraform plan / apply

[MageshSrinivasulu]

Running terraform which below configuration

   azurerm = "~>2.95.0"
   required_version = ">= 0.14.11"

Below is the terraform code that's causing the issue. I am running with all the logs and metrics provided from the data block. Still, metrics and logs are getting updated every single time

data "azurerm_monitor_diagnostic_categories" "storage-diagnostic-categories" {
  resource_id = << Pointing to blob service in storage account >>
}

resource "azurerm_monitor_diagnostic_setting" "diagnostic-ehaudit" {
  name                           = << Name of the monitor setting >>
  target_resource_id             = << Pointing to blob service in storage account >>
  eventhub_authorization_rule_id = << Corresponding rule id >>
  eventhub_name                  = << Event hub name>>

  dynamic "log" {
    for_each = data.azurerm_monitor_diagnostic_categories.storage-diagnostic-categories.logs
    content {
      category = log.value
      enabled  = var.logs_enabled
      retention_policy {
        days    = 30
        enabled = var.logs_enabled
      }
    }
  }
  dynamic "metric" {
    for_each = data.azurerm_monitor_diagnostic_categories.storage-diagnostic-categories.metrics
    content {
      category = metric.value
      enabled  = var.metrics_enabled
      retention_policy {
        days    = 30
        enabled = var.metrics_enabled
      }
    }
  }
}

Terraform plan :

       - log {
          - category = "StorageDelete" -> null
          - enabled  = true -> null

          - retention_policy {
              - days    = 30 -> null
              - enabled = true -> null
            }
        }
      - log {
          - category = "StorageRead" -> null
          - enabled  = true -> null

          - retention_policy {
              - days    = 30 -> null
              - enabled = true -> null
            }
        }
      - log {
          - category = "StorageWrite" -> null
          - enabled  = true -> null

          - retention_policy {
              - days    = 30 -> null
              - enabled = true -> null
            }
        }
      + log {
          + category = (known after apply)
          + enabled  = (known after apply)

          + retention_policy {
              + days    = (known after apply)
              + enabled = (known after apply)
            }
        }

      - metric {
          - category = "Capacity" -> null
          - enabled  = false -> null

          - retention_policy {
              - days    = 0 -> null
              - enabled = false -> null
            }
        }
      - metric {
          - category = "Transaction" -> null
          - enabled  = false -> null

          - retention_policy {
              - days    = 0 -> null
              - enabled = false -> null
            }
        }
      + metric {
          + category = (known after apply)
          + enabled  = (known after apply)

          + retention_policy {
              + days    = (known after apply)
              + enabled = (known after apply)
            }
        }

Steps to reproduce :

- terraform apply
- terraform plan
- terraform apply

[tombuildsstuff]

Duplicate of #10388 - please subscribe to that issue for updates.

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