Implement redraft feature. (#1190)

* Implement "Delete and Edit" feature

* Some changes to ComposeActivity

Support for uploaded medias, sensitive option.

Fix typo.

Change names of some extra keys.

* Use Glide instead of Picasso

* Pass ArrayList instead of json

* Change wording for re-draft

* Fix test

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

@@ -81,7 +81,7 @@ class BottomSheetActivityTest {
             false,
             "",
             Status.Visibility.PUBLIC,
-            listOf(),
+            ArrayList(),
             arrayOf(),
             null,
             pinned = false

app/src/test/java/com/keylesspalace/tusky/fragment/TimelineRepositoryTest.kt

@@ -30,6 +30,7 @@ import org.mockito.Mock
 import org.mockito.MockitoAnnotations
 import java.util.*
 import java.util.concurrent.TimeUnit
+import kotlin.collections.ArrayList
 
 class TimelineRepositoryTest {
     @Mock
@@ -297,7 +298,7 @@ class TimelineRepositoryTest {
                 spoilerText = "",
                 reblogged = true,
                 favourited = false,
-                attachments = listOf(),
+                attachments = ArrayList(),
                 mentions = arrayOf(),
                 application = null,
                 inReplyToAccountId = null,