minor #16818 [Form] Improve deprecation notice to mention the affected service id (apfelbox)

This PR was merged into the 2.8 branch.

Discussion
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[Form] Improve deprecation notice to mention the affected service id

| Q             | A
| ------------- | ---
| Bug fix?      |no
| New feature?  |no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This fix changes the deprecation notice to mention the affected service id. Without this update it is quite annoying to find the service with the deprecated definition.

Commits
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0b9ea95 Improve form deprecation notices to mention the affected service ids

Author: Tobion

DependencyInjection/Compiler/FormPass.php

@@ -64,10 +64,10 @@ public function process(ContainerBuilder $container)
             if (isset($tag[0]['extended_type'])) {
                 $extendedType = $tag[0]['extended_type'];
             } elseif (isset($tag[0]['alias'])) {
-                @trigger_error('The alias option of the form.type_extension tag is deprecated since version 2.8 and will be removed in 3.0. Use the extended_type option instead.', E_USER_DEPRECATED);
+                @trigger_error(sprintf('The alias option of the form.type_extension tag of service "%s" is deprecated since version 2.8 and will be removed in 3.0. Use the extended_type option instead.', $serviceId), E_USER_DEPRECATED);
                 $extendedType = $tag[0]['alias'];
             } else {
-                @trigger_error('The extended_type option of the form.type_extension tag is required since version 2.8.', E_USER_DEPRECATED);
+                @trigger_error(sprintf('The extended_type option of the form.type_extension tag of service "%s" is required since version 2.8.', $serviceId), E_USER_DEPRECATED);
                 $extendedType = $serviceId;
             }