Feature: Node favourites (and ignores) (#618)

* Add favourite icon to node Avatar

* Favourites WIP

* Save isFavorite and isIgnored to device

* Fix spelling

* Clean up

* Always sort favorites first

* Add unread count to "Messages" top level menu

* Renaming, UI tweaks

* Add hook tests

* Handle undefined node better

src/core/hooks/useIgnoreNode.ts

@@ -0,0 +1,31 @@
+import { useCallback } from "react";
+import { useDevice } from "@core/stores/deviceStore.ts";
+import { useToast } from "@core/hooks/useToast.ts";
+
+interface IgnoreNodeOptions {
+  nodeNum: number;
+  isIgnored: boolean;
+}
+
+export function useIgnoreNode() {
+  const { updateIgnored, getNode } = useDevice();
+  const { toast } = useToast();
+
+  const updateIgnoredCB = useCallback(
+    ({ nodeNum, isIgnored }: IgnoreNodeOptions) => {
+      const node = getNode(nodeNum);
+      if (!node) return;
+
+      updateIgnored(nodeNum, isIgnored);
+
+      toast({
+        title: `${isIgnored ? "Added" : "Removed"} ${
+          node?.user?.longName ?? "node"
+        } ${isIgnored ? "to" : "from"} ignore list`,
+      });
+    },
+    [updateIgnored, getNode],
+  );
+
+  return { updateIgnored: updateIgnoredCB };
+}