azurerm_network_security_rule: fixed app id read & import

[katbyte]

before:

==> Fixing source code with gofmt...
gofmt -s -w ./azurerm
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./azurerm -v -test.run=TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups -timeout 180m -ldflags="-X=github.com/terraform-providers/terraform-provider-azurerm/version.ProviderVersion=acc"
=== RUN   TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups
=== PAUSE TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups
=== CONT  TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups
--- FAIL: TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups (112.99s)
    testing.go:538: Step 1 error: ImportStateVerify attributes not equivalent. Difference is shown below. Top is actual, bottom is expected.

        (map[string]string) {
        }


        (map[string]string) (len=4) {
         (string) (len=44) "destination_application_security_group_ids.#": (string) (len=1) "1",
         (string) (len=53) "destination_application_security_group_ids.2652169896": (string) (len=184) "/subscriptions//resourceGroups/acctestRG-2004195443384880969/providers/Microsoft.Network/applicationSecurityGroups/acctest-second2004195443384880969",
         (string) (len=39) "source_application_security_group_ids.#": (string) (len=1) "1",
         (string) (len=48) "source_application_security_group_ids.1551054417": (string) (len=183) "/subscriptions//resourceGroups/acctestRG-2004195443384880969/providers/Microsoft.Network/applicationSecurityGroups/acctest-first2004195443384880969"
        }

FAIL
FAIL	github.com/terraform-providers/terraform-provider-azurerm/azurerm	114.633s
make: *** [testacc] Error 1

after

==> Fixing source code with gofmt...
gofmt -s -w ./azurerm
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./azurerm -v -test.run=TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups -timeout 180m -ldflags="-X=github.com/terraform-providers/terraform-provider-azurerm/version.ProviderVersion=acc"
=== RUN   TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups
=== PAUSE TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups
=== CONT  TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups
--- PASS: TestAccAzureRMNetworkSecurityRule_applicationSecurityGroups (102.43s)
PASS
ok  	github.com/terraform-providers/terraform-provider-azurerm/azurerm	104.323s

[ghost]

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