Move communication workbench to use resource store

Because it's getting better all the time, including by adding the
ability to get new resources when they get created over SSE.

ts/store/resource.ts

@@ -31,8 +31,12 @@ function createResourceStore<dto, full extends uriHaver>(
 
 	// Subscription
 	SSEManager.subscribe((msg: SSEMessageResource) => {
-		if (msg.resource.startsWith(resource_name) && msg.type == "updated") {
-			fetchByURI(msg.uri);
+		if (msg.resource.startsWith(resource_name)) {
+			if (msg.type == "created") {
+				fetchByURI(msg.uri);
+			} else if (msg.type == "updated") {
+				fetchByURI(msg.uri);
+			}
 		}
 	});
 
@@ -92,10 +96,22 @@ function createResourceStore<dto, full extends uriHaver>(
 			throw err;
 		}
 	}
+	function getAll(): full[] | null {
+		if (_resourceFetchAll) {
+			return Array.from(_resourceByURI.value.values());
+		}
+		return null;
+	}
+	function hasAll(): boolean {
+		return !!_resourceFetchAll.value;
+	}
 	function loadingAll(): boolean {
 		return !!_resourceFetchAll.value;
 	}
-	function loadingURI(uri: string): boolean {
+	function loadingURI(uri: string | undefined): boolean {
+		if (uri === undefined) {
+			return false;
+		}
 		return !!_resourceFetchByURI.value.get(uri);
 	}
 	function uriFromID(id: string): string {
@@ -108,6 +124,8 @@ function createResourceStore<dto, full extends uriHaver>(
 		fetchAll,
 		fetchByID,
 		fetchByURI,
+		getAll,
+		hasAll,
 		loadingAll,
 		loadingURI,
 	};