[feature] add support for clients editing statuses and fetching status revision history (#3628)

* start adding client support for making status edits and viewing history

* modify 'freshest' freshness window to be 5s, add typeutils test for status -> api edits

* only populate the status edits when specifically requested

* start adding some simple processor status edit tests

* add test editing status but adding a poll

* test edits appropriately adding poll expiry handlers

* finish adding status edit tests

* store both new and old revision emojis in status

* add code comment

* ensure the requester's account is populated before status edits

* add code comments for status edit tests

* update status edit form swagger comments

* remove unused function

* fix status source test

* add more code comments, move media description check back to media process in status create

* fix tests, add necessary form struct tag

internal/processing/workers/fromfediapi.go

@@ -762,7 +762,7 @@ func (p *fediAPI) UpdateAccount(ctx context.Context, fMsg *messages.FromFediAPI)
 		account,
 		apubAcc,
 
-		// Force refresh within 10s window.
+		// Force refresh within 5s window.
 		//
 		// Missing account updates could be
 		// detrimental to federation if they
@@ -917,17 +917,25 @@ func (p *fediAPI) UpdateStatus(ctx context.Context, fMsg *messages.FromFediAPI)
 		return gtserror.Newf("cannot cast %T -> *gtsmodel.Status", fMsg.GTSModel)
 	}
 
+	var freshness *dereferencing.FreshnessWindow
+
 	// Cast the updated ActivityPub statusable object .
 	apStatus, _ := fMsg.APObject.(ap.Statusable)
 
+	if apStatus != nil {
+		// If an AP object was provided, we
+		// allow very fast refreshes that likely
+		// indicate a status edit after post.
+		freshness = dereferencing.Freshest
+	}
+
 	// Fetch up-to-date attach status attachments, etc.
 	status, _, err := p.federate.RefreshStatus(
 		ctx,
 		fMsg.Receiving.Username,
 		existing,
 		apStatus,
-		// Force refresh within 5min window.
-		dereferencing.Fresh,
+		freshness,
 	)
 	if err != nil {
 		log.Errorf(ctx, "error refreshing status: %v", err)