Add Legacy asset re-direction

- Add handler to check and build re-direction path
- Re-direct legacy assets on LegacyRedirectListener
- Add configuration with list of legacy asset paths
- Add dummy image call to the ClassicViewItemDataProvider

config/services.yaml

@@ -4,6 +4,7 @@ framework:
 parameters:
   secret: ThisTokenIsNotSoSecretChangeIt
   legacy.dir: '%kernel.project_dir%/legacy'
+  legacy.path: '/legacy'
   legacy.session_name: 'LEGACYSESSID'
   default_session_name: 'PHPSESSID'
 
@@ -18,11 +19,13 @@ services:
     bind:
       $projectDir: '%kernel.project_dir%'
       $legacyDir: '%legacy.dir%'
+      $legacyPath: '%legacy.path%'
       $legacySessionName: '%legacy.session_name%'
       $defaultSessionName: '%default_session_name%'
       $exposedSystemConfigs: '%legacy.exposed_system_configs%'
       $legacyModuleNameMap: '%legacy.module_name_map%'
       $legacyActionNameMap: '%legacy.action_name_map%'
+      $legacyAssetPaths: '%legacy.asset_paths%'
 
   # makes classes in src/ available to be used as services
   # this creates a service per class whose id is the fully-qualified class name

config/services/legacy/asset_paths.yaml

@@ -0,0 +1,5 @@
+parameters:
+  legacy.asset_paths:
+    - cache
+    - include
+    - themes