Check for diffs in allowed ranges set (#3529) (#2083)

* Check for diffs in allowed ranges set, checking in parent object produces incorrect changes due to sets internal representation

* Add comment

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/3529.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

google-beta/resource_composer_environment.go

@@ -571,7 +571,9 @@ func resourceComposerEnvironmentUpdate(d *schema.ResourceData, meta interface{})
 			d.SetPartial("config")
 		}
 
-		if d.HasChange("config.0.web_server_network_access_control") {
+		// If web_server_network_access_control has more fields added it may require changes here.
+		// This is scoped specifically to allowed_ip_range due to https://github.com/hashicorp/terraform-plugin-sdk/issues/98
+		if d.HasChange("config.0.web_server_network_access_control.0.allowed_ip_range") {
 			patchObj := &composer.Environment{Config: &composer.EnvironmentConfig{}}
 			if config != nil {
 				patchObj.Config.WebServerNetworkAccessControl = config.WebServerNetworkAccessControl