[ACA-1442] improved notifications and delete/restore (#393)

* remove notifications from files component

* remove notifications from favorites page

* remove irrelevant tests

* snackbar effects

* snackbar theme

* improve permanent delete messaging

* cleanup tests

* strongly typed node delete directive, node actions

* strongly-typed directives

* test fixes

* redux dev tools, migrate permanent delete directive

* reload trashcan on service events

* delete and restore nodes, snackbar effects with undo

* wire viewer with store and effects

* test fixes

* migrate events

* fix spelling

* bug fixes

* use notification effects on restore node

* remove fdescribe

* node-versions using snackbar actions

* dispatch snackbars from node-move directive

* store-enabled create folder

* reduce dependency on ContentService for list reloads

* favorites use unified preview api for files

* simplify preview for shared files

* remove test

cspell.json

@@ -21,6 +21,8 @@
         "promisify",
         "xdescribe",
         "unfavorite",
+        "Snackbar",
+        "devtools",
 
         "unshare",
         "validators",