Fix voice note crash when future failed.

app/src/main/java/org/thoughtcrime/securesms/conversation/drafts/DraftViewModel.kt

@@ -16,6 +16,7 @@ import org.thoughtcrime.securesms.recipients.RecipientId
 import org.thoughtcrime.securesms.util.Base64
 import org.thoughtcrime.securesms.util.concurrent.ListenableFuture
 import org.thoughtcrime.securesms.util.rx.RxStore
+import java.util.concurrent.ExecutionException
 
 /**
  * ViewModel responsible for holding Voice Note draft state. The intention is to allow
@@ -46,8 +47,20 @@ class DraftViewModel @JvmOverloads constructor(
   }
 
   fun saveEphemeralVoiceNoteDraft(voiceNoteDraftFuture: ListenableFuture<VoiceNoteDraft>) {
-    store.update {
-      saveDrafts(it.copy(voiceNoteDraft = voiceNoteDraftFuture.get().asDraft()))
+    store.update { draftState ->
+      val draft: VoiceNoteDraft? = try {
+        voiceNoteDraftFuture.get()
+      } catch (e: ExecutionException) {
+        null
+      } catch (e: InterruptedException) {
+        null
+      }
+
+      if (draft != null) {
+        saveDrafts(draftState.copy(voiceNoteDraft = draft.asDraft()))
+      } else {
+        draftState
+      }
     }
   }