[feature] add support for receiving federated status edits (#3597)

* add support for extracting Updated field from Statusable implementers

* add support for status edits in the database, and update status dereferencer to handle them

* remove unused AdditionalInfo{}.CreatedAt

* remove unused AdditionalEmojiInfo{}.CreatedAt

* update new mention creation to use status.UpdatedAt

* remove mention.UpdatedAt, fixes related to NewULIDFromTime() change

* add migration to remove Mention{}.UpdatedAt field

* add migration to add the StatusEdit{} table

* start adding tests, add delete function for status edits

* add more of status edit migrations, fill in more of the necessary edit delete functionality

* remove unused function

* allow generating gotosocial compatible ulid via CLI with `go run ./cmd/gen-ulid`

* add StatusEdit{} test models

* fix new statusedits sql

* use model instead of table name

* actually remove the Mention.UpdatedAt field...

* fix tests now new models are added, add more status edit DB tests

* fix panic wording

* add test for deleting status edits

* don't automatically set `updated_at` field on updated statuses

* flesh out more of the dereferencer status edit tests, ensure updated at field set on outgoing AS statuses

* remove media_attachments.updated_at column

* fix up more tests, further complete the dereferencer status edit tests

* update more status serialization tests not expecting 'updated' AS property

* gah!! json serialization tests!!

* undo some gtscontext wrapping changes

* more serialization test fixing 🥲

* more test fixing, ensure the edit.status_id field is actually set 🤦

* fix status edit test

* grrr linter

* add edited_at field to apimodel status

* remove the choice of paging on the timeline public filtered test (otherwise it needs updating every time you add statuses ...)

* ensure that status.updated_at always fits chronologically

* fix more serialization tests ...

* add more code comments

* fix envparsing

* update swagger file

* properly handle media description changes during status edits

* slight formatting tweak

* code comment

internal/cache/db.go

@@ -226,6 +226,9 @@ type DBCaches struct {
 	// StatusBookmarkIDs provides access to the status bookmark IDs list database cache.
 	StatusBookmarkIDs SliceCache[string]
 
+	// StatusEdit provides access to the gtsmodel StatusEdit database cache.
+	StatusEdit StructCache[*gtsmodel.StatusEdit]
+
 	// StatusFave provides access to the gtsmodel StatusFave database cache.
 	StatusFave StructCache[*gtsmodel.StatusFave]
 
@@ -1385,6 +1388,38 @@ func (c *Caches) initStatusBookmarkIDs() {
 	c.DB.StatusBookmarkIDs.Init(0, cap)
 }
 
+func (c *Caches) initStatusEdit() {
+	// Calculate maximum cache size.
+	cap := calculateResultCacheMax(
+		sizeofStatusEdit(), // model in-mem size.
+		config.GetCacheStatusEditMemRatio(),
+	)
+
+	log.Infof(nil, "cache size = %d", cap)
+
+	copyF := func(s1 *gtsmodel.StatusEdit) *gtsmodel.StatusEdit {
+		s2 := new(gtsmodel.StatusEdit)
+		*s2 = *s1
+
+		// Don't include ptr fields that
+		// will be populated separately.
+		s2.Attachments = nil
+
+		return s2
+	}
+
+	c.DB.StatusEdit.Init(structr.CacheConfig[*gtsmodel.StatusEdit]{
+		Indices: []structr.IndexConfig{
+			{Fields: "ID"},
+			{Fields: "StatusID", Multiple: true},
+		},
+		MaxSize:    cap,
+		IgnoreErr:  ignoreErrors,
+		Copy:       copyF,
+		Invalidate: c.OnInvalidateStatusEdit,
+	})
+}
+
 func (c *Caches) initStatusFave() {
 	// Calculate maximum cache size.
 	cap := calculateResultCacheMax(