Add embeddings reindex progress to the UI (#14268)

* refactor dispatcher

* add reindex to dictionary

* add circular progress bar component

* Add progress to UI when embeddings are reindexing

* readd comments to dispatcher for clarity

* Only report progress every 10 events so we don't spam the logs and websocket

* clean up

web/src/types/ws.ts

@@ -62,4 +62,11 @@ export type ModelState =
   | "downloaded"
   | "error";
 
+export type EmbeddingsReindexProgressType = {
+  thumbnails: number;
+  descriptions: number;
+  processed_objects: number;
+  total_objects: number;
+};
+
 export type ToggleableSetting = "ON" | "OFF";