Pass around fromPinnedEvents so we can use it to decide whether to forward the event from the main timeline or the pinned events one

libraries/mediaviewer/api/src/main/kotlin/io/element/android/libraries/mediaviewer/api/MediaGalleryEntryPoint.kt

@@ -23,6 +23,6 @@ interface MediaGalleryEntryPoint : FeatureEntryPoint {
     interface Callback : Plugin {
         fun onBackClick()
         fun viewInTimeline(eventId: EventId)
-        fun forward(eventId: EventId)
+        fun forward(eventId: EventId, fromPinnedEvents: Boolean)
     }
 }

libraries/mediaviewer/api/src/main/kotlin/io/element/android/libraries/mediaviewer/api/MediaViewerEntryPoint.kt

@@ -31,7 +31,7 @@ interface MediaViewerEntryPoint : FeatureEntryPoint {
     interface Callback : Plugin {
         fun onDone()
         fun viewInTimeline(eventId: EventId)
-        fun forwardEvent(eventId: EventId)
+        fun forwardEvent(eventId: EventId, fromPinnedEvents: Boolean)
     }
 
     data class Params(