Add missing EErrorDoc to AllEventTypes

This fixes an issue reported here:
change-metrics#1084

monocle: esAdvance: Original error was: Error in $.hits.hits[2905]['_source']: parsing Monocle.Backend.Janitor.EChangeEventAuthors(EChangeEventAuthors) failed, key "id" not found Error parse failure was: Error in $: key "status" not found, req: "FGluY2x1ZGVfY29udGV4dF91dWlkDXF1ZXJ5QW5kRmV0Y2gBFkJtNFFLQW82UjhDR21YRVRpTnNuVXcAAAAAAAAA8xZmMDFyRzVFeVJjR2VVUFVZMGNxZ0t, resp: {"_scroll_id":"FGluY2x1ZGVfY29udGV4dF91dWlkDXF1ZXJ5QW5kRmV0Y2gBFkJtNFFLQW82UjhDR21YRVRpTnNuVXcAAAAAAAAA8xZmMDFyRzVFeVJjR, tb: [("throwError",SrcLoc {srcLocPackage = "monocle-1.11.0-2ShLfwfFjyo1H0paLD2SMi", srcLocModule = "Monocle.Effects", srcLocFile = "src/Monocle/Effects.hs", srcLocStartLine = 403, srcLocStartCol = 15, srcLocEndLine = 403, srcLocEndCol = 27}),("runBHIOSafe",SrcLoc {srcLocPackage = "monocle-1.11.0-2ShLfwfFjyo1H0paLD2SMi", srcLocModule = "Monocle.Effects", srcLocFile = "src/Monocle/Effects.hs", srcLocStartLine = 445, srcLocStartCol = 3, srcLocEndLine = 445, srcLocEndCol = 14})]
CallStack (from HasCallStack):
  error, called at src/Relude/Debug.hs:289:11 in relude-1.2.0.0-Jiwa4gfuZvkK1snRof3V:Relude.Debug
  error, called at src/Monocle/Effects.hs:420:7 in monocle-1.11.0-2ShLfwfFjyo1H0paLD2SMi:Monocle.Effects

src/Monocle/Backend/Documents.hs

@@ -339,7 +339,8 @@ data EDocType
 
 allEventTypes :: [EDocType]
 allEventTypes =
-  filter (`notElem` [EChangeDoc, EOrphanTaskData, ECachedAuthor]) [minBound .. maxBound]
+  filter (`notElem` [EChangeDoc, EOrphanTaskData, ECachedAuthor, EErrorDoc]) [minBound .. maxBound]
+
 
 instance From EDocType Text where
   from = \case