Add findFiles and findFile graphql queries (#5941)

* Add findFile and findFiles
* Add parent folder and zip file fields to file graphql types
* Add parent_folder, zip_file fields to Folder graphql type
* Add format to ImageFile type
* Add format filter fields to image/video file filters

graphql/schema/schema.graphql

@@ -6,6 +6,16 @@ type Query {
   findDefaultFilter(mode: FilterMode!): SavedFilter
     @deprecated(reason: "default filter now stored in UI config")
 
+  "Find a file by its id or path"
+  findFile(id: ID, path: String): BaseFile!
+
+  "Queries for Files"
+  findFiles(
+    file_filter: FileFilterType
+    filter: FindFilterType
+    ids: [ID!]
+  ): FindFilesResultType!
+
   "Find a scene by ID or Checksum"
   findScene(id: ID, checksum: String): Scene
   findSceneByHash(input: SceneHashInput!): Scene