Add threadInfo field to message like timeline events (#5930)

* Add `threadInfo` field to message like timeline events:
- Polls
- Stickers
- UTDs

* Add missing cases for `EventTimeline.threadInfo()`

libraries/eventformatter/impl/src/test/kotlin/io/element/android/libraries/eventformatter/impl/DefaultPinnedMessagesBannerFormatterTest.kt

@@ -103,7 +103,11 @@ class DefaultPinnedMessagesBannerFormatterTest {
     fun `Unable to decrypt content`() {
         val expected = "Waiting for this message"
         val senderName = "Someone"
-        val message = createRoomEvent(false, senderName, UnableToDecryptContent(UnableToDecryptContent.Data.Unknown))
+        val message = createRoomEvent(
+            sentByYou = false,
+            senderDisplayName = senderName,
+            content = UnableToDecryptContent(data = UnableToDecryptContent.Data.Unknown, threadInfo = null)
+        )
         val result = formatter.format(message)
         assertThat(result).isEqualTo(expected)
     }

libraries/eventformatter/impl/src/test/kotlin/io/element/android/libraries/eventformatter/impl/DefaultRoomLatestEventFormatterTest.kt

@@ -112,7 +112,11 @@ class DefaultRoomLatestEventFormatterTest {
         val expected = "Waiting for this message"
         val senderName = "Someone"
         sequenceOf(false, true).forEach { isDm ->
-            val message = createLatestEvent(false, senderName, UnableToDecryptContent(UnableToDecryptContent.Data.Unknown))
+            val message = createLatestEvent(
+                sentByYou = false,
+                senderDisplayName = senderName,
+                content = UnableToDecryptContent(data = UnableToDecryptContent.Data.Unknown, threadInfo = null),
+            )
             val result = formatter.format(message, isDm)
             if (isDm) {
                 assertThat(result).isEqualTo(expected)