Status: Display indicators of edited posts (#2935)

* Add editedAt field to Status

* Status: Display indicators of edited posts

* Annotate edited posts in the Status description

* Cache info that post has been edited

app/src/test/java/com/keylesspalace/tusky/BottomSheetActivityTest.kt

@@ -71,6 +71,7 @@ class BottomSheetActivityTest {
         reblog = null,
         content = "omgwat",
         createdAt = Date(),
+        editedAt = null,
         emojis = emptyList(),
         reblogsCount = 0,
         favouritesCount = 0,

app/src/test/java/com/keylesspalace/tusky/FilterTest.kt

@@ -258,6 +258,7 @@ class FilterTest {
             reblog = null,
             content = content,
             createdAt = Date(),
+            editedAt = null,
             emojis = emptyList(),
             reblogsCount = 0,
             favouritesCount = 0,

app/src/test/java/com/keylesspalace/tusky/components/timeline/StatusMocker.kt

@@ -34,6 +34,7 @@ fun mockStatus(
     reblog = null,
     content = "Test",
     createdAt = fixedDate,
+    editedAt = null,
     emojis = emptyList(),
     reblogsCount = 1,
     favouritesCount = 2,

app/src/test/java/com/keylesspalace/tusky/db/TimelineDaoTest.kt

@@ -440,6 +440,7 @@ class TimelineDaoTest {
             inReplyToAccountId = "inReplyToAccountId$statusId",
             content = "Content!$statusId",
             createdAt = createdAt,
+            editedAt = null,
             emojis = "emojis$statusId",
             reblogsCount = 1 * statusId.toInt(),
             favouritesCount = 2 * statusId.toInt(),

app/src/test/java/com/keylesspalace/tusky/usecase/TimelineCasesTest.kt

@@ -77,6 +77,7 @@ class TimelineCasesTest {
             reblog = null,
             content = "",
             createdAt = Date(),
+            editedAt = null,
             emojis = emptyList(),
             reblogsCount = 0,
             favouritesCount = 0,