[feature] List replies policy, refactor async workers (#2087)

* Add/update some DB functions.

* move async workers into subprocessor

* rename FromFederator -> FromFediAPI

* update home timeline check to include check for current status first before moving to parent status

* change streamMap to pointer to mollify linter

* update followtoas func signature

* fix merge

* remove errant debug log

* don't use separate errs.Combine() check to wrap errs

* wrap parts of workers functionality in sub-structs

* populate report using new db funcs

* embed federator (tiny bit tidier)

* flesh out error msg, add continue(!)

* fix other error messages to be more specific

* better, nicer

* give parseURI util function a bit more util

* missing headers

* use pointers for subprocessors

internal/processing/stream/stream.go

@@ -28,13 +28,14 @@ import (
 type Processor struct {
 	state       *state.State
 	oauthServer oauth.Server
-	streamMap   sync.Map
+	streamMap   *sync.Map
 }
 
 func New(state *state.State, oauthServer oauth.Server) Processor {
 	return Processor{
 		state:       state,
 		oauthServer: oauthServer,
+		streamMap:   &sync.Map{},
 	}
 }