hosted gene sets routes, plus a few bug fixes (#2155)

* first cut at hosted gs routes

* lint

* update tests to match csv parser changes

* update tests to new API

* update gene set name validation rules to match requirements

* add path mapping from dataset to geneset

* add test cases for geneset GET route

* fix test assertion

* remove debugging code

* update gene set uri mapping function

* fix error message

* allow extra user-specified headers in gene set csv file

* clarify comment

client/src/reducers/annotations.js

@@ -35,9 +35,13 @@ const Annotations = (
       const dataCollectionName =
         action.config.parameters?.["annotations-data-collection-name"] ?? null;
       const dataCollectionNameIsReadOnly =
-        action.config.parameters?.[
-          "annotations-data-collection-name-is-read-only"
-        ] ?? false;
+        (action.config.parameters?.[
+          "annotations-data-collection-is-read-only"
+        ] ??
+          false) &&
+        (action.config.parameters?.annotations_genesets_name_is_read_only ??
+          true);
+
       const promptForFilename =
         action.config.parameters?.user_annotation_collection_name_enabled;
       return {