[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 :smiling_face_with_tear:

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

* 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

1 files changed, 13 insertions, 3 deletions

diff --git a/internal/processing/account/rss_test.go b/internal/processing/account/rss_test.go
index e4706d3b7..5606151c2 100644
--- a/internal/processing/account/rss_test.go
+++ b/internal/processing/account/rss_test.go
@@ -70,7 +70,7 @@ func (suite *GetRSSTestSuite) TestGetAccountRSSAdmin() {
 func (suite *GetRSSTestSuite) TestGetAccountRSSZork() {
 	getFeed, lastModified, err := suite.accountProcessor.GetRSSFeedForUsername(context.Background(), "the_mighty_zork")
 	suite.NoError(err)
-	suite.EqualValues(1704878640, lastModified.Unix())
+	suite.EqualValues(1730451600, lastModified.Unix())
 
 	feed, err := getFeed()
 	suite.NoError(err)
@@ -79,14 +79,24 @@ func (suite *GetRSSTestSuite) TestGetAccountRSSZork() {
     <title>Posts from @the_mighty_zork@localhost:8080</title>
     <link>http://localhost:8080/@the_mighty_zork</link>
     <description>Posts from @the_mighty_zork@localhost:8080</description>
-    <pubDate>Wed, 10 Jan 2024 09:24:00 +0000</pubDate>
-    <lastBuildDate>Wed, 10 Jan 2024 09:24:00 +0000</lastBuildDate>
+    <pubDate>Fri, 01 Nov 2024 09:00:00 +0000</pubDate>
+    <lastBuildDate>Fri, 01 Nov 2024 09:00:00 +0000</lastBuildDate>
     <image>
       <url>http://localhost:8080/fileserver/01F8MH1H7YV1Z7D2C8K2730QBF/avatar/small/01F8MH58A357CV5K7R7TJMSH6S.webp</url>
       <title>Avatar for @the_mighty_zork@localhost:8080</title>
       <link>http://localhost:8080/@the_mighty_zork</link>
     </image>
     <item>
+      <title>edited status</title>
+      <link>http://localhost:8080/@the_mighty_zork/statuses/01JDPZC707CKDN8N4QVWM4Z1NR</link>
+      <description>@the_mighty_zork@localhost:8080 made a new post: &#34;this is the latest revision of the status, with a content-warning&#34;</description>
+      <content:encoded><![CDATA[<p>this is the latest revision of the status, with a content-warning</p>]]></content:encoded>
+      <author>@the_mighty_zork@localhost:8080</author>
+      <guid isPermaLink="true">http://localhost:8080/@the_mighty_zork/statuses/01JDPZC707CKDN8N4QVWM4Z1NR</guid>
+      <pubDate>Fri, 01 Nov 2024 09:00:00 +0000</pubDate>
+      <source>http://localhost:8080/@the_mighty_zork/feed.rss</source>
+    </item>
+    <item>
       <title>HTML in post</title>
       <link>http://localhost:8080/@the_mighty_zork/statuses/01HH9KYNQPA416TNJ53NSATP40</link>
       <description>@the_mighty_zork@localhost:8080 made a new post: &#34;Here&#39;s a bunch of HTML, read it and weep, weep then!&#xA;&#xA;`+"```"+`html&#xA;&lt;section class=&#34;about-user&#34;&gt;&#xA; &lt;div class=&#34;col-header&#34;&gt;&#xA; &lt;h2&gt;About&lt;/h2&gt;&#xA; &lt;/div&gt; &#xA; &lt;div class=&#34;fields&#34;&gt;&#xA; &lt;h3 class=&#34;sr-only&#34;&gt;Fields&lt;/h3&gt;&#xA; &lt;dl&gt;&#xA;...</description>