experimental re-embedding (#1186)

* first cut at re-embedding route and back-end support

* update and expand config route tests

* add scanpy_umap

* add reembedding to config route parameters

* front-end support for reembedding fetch and UI

* remove unused imports

* add loading state

* save reembedding in reducer state

* improve withColsFrom

* transmit reembed schema to client; pick unique embedding names

* display embeddings

* format

* lint

* spaces, tab size 2

* lint

* test hack for smoke-test race

* back out hack sleep

* add check for backed mode

* add unit test for reembedding

* lint

* hide re-embedding CLI param from help

client/src/reducers/index.js

@@ -21,6 +21,7 @@ import autosave from "./autosave";
 import ontology from "./ontology";
 import centroidLabels from "./centroidLabels";
 import pointDialation from "./pointDilation";
+import { reembedController, reembedding } from "./reembed";
 
 import undoableConfig from "./undoableConfig";
 
@@ -31,6 +32,7 @@ const Reducer = undoable(
     ["world", world],
     ["ontology", ontology],
     ["annotations", annotations],
+    ["reembedding", reembedding],
     ["layoutChoice", layoutChoice],
     ["categoricalSelection", categoricalSelection],
     ["continuousSelection", continuousSelection],
@@ -42,6 +44,7 @@ const Reducer = undoable(
     ["responsive", responsive],
     ["centroidLabels", centroidLabels],
     ["pointDilation", pointDialation],
+    ["reembedController", reembedController],
     ["autosave", autosave],
     ["resetCache", resetCache]
   ]),
@@ -57,7 +60,8 @@ const Reducer = undoable(
     "differential",
     "layoutChoice",
     "centroidLabels",
-    "annotations"
+    "annotations",
+    "reembedding"
   ],
   undoableConfig
 );