feature(room preview): Add option to forget room, improve the room preview screen for banned rooms.

Some internal refactoring was done too:
- Remove RoomInfo.isPublic to only use JoinRule.
- Also take into account restricted access rooms for previews.

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt

@@ -55,8 +55,9 @@ internal fun InviteSenderViewPreview() = ElementPreview {
                 id = "@bob:example.com",
                 name = "Bob",
                 url = null,
-                size = AvatarSize.InviteSender
-            )
+                size = AvatarSize.InviteSender,
+            ),
+            membershipChangeReason = null,
         )
     )
 }

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/model/InviteSender.kt

@@ -26,6 +26,7 @@ data class InviteSender(
     val userId: UserId,
     val displayName: String,
     val avatarData: AvatarData,
+    val membershipChangeReason: String?,
 ) {
     @Composable
     fun annotatedString(): AnnotatedString {
@@ -52,4 +53,5 @@ fun RoomMember.toInviteSender() = InviteSender(
     userId = userId,
     displayName = displayName ?: "",
     avatarData = getAvatarData(size = AvatarSize.InviteSender),
+    membershipChangeReason = membershipChangeReason
 )