feat: add the ability to choose default collection (#3029)

Co-authored-by: Tom Moor <tom@getoutline.com>
Co-authored-by: Tom Moor <tom.moor@gmail.com>

app/stores/CollectionsStore.ts

@@ -139,7 +139,10 @@ export default class CollectionsStore extends BaseStore<Collection> {
   }
 
   @action
-  async fetch(id: string, options: Record<string, any> = {}): Promise<any> {
+  async fetch(
+    id: string,
+    options: Record<string, any> = {}
+  ): Promise<Collection> {
     const item = this.get(id) || this.getByUrl(id);
     if (item && !options.force) {
       return item;
@@ -164,6 +167,13 @@ export default class CollectionsStore extends BaseStore<Collection> {
     }
   }
 
+  @computed
+  get publicCollections() {
+    return this.orderedData.filter((collection) =>
+      ["read", "read_write"].includes(collection.permission || "")
+    );
+  }
+
   getPathForDocument(documentId: string): DocumentPath | undefined {
     return this.pathsToDocuments.find((path) => path.id === documentId);
   }