add some missing asserts

// FREEBIE

Signal/src/Models/TSMessageAdapaters/TSMessageAdapter.m

@@ -312,6 +312,7 @@ NS_ASSUME_NONNULL_BEGIN
         actionString,
         self.interaction.uniqueId,
         [self.mediaItem class]);
+    OWSAssert(NO);
 }
 
 - (TSAttachmentStream *)attachmentStream

Signal/src/Models/TSMessageAdapaters/TSPhotoAdapter.m

@@ -124,9 +124,10 @@ NS_ASSUME_NONNULL_BEGIN
         UIImageWriteToSavedPhotosAlbum(self.image, nil, nil, nil);
         return;
     }
-
+    
     // Shouldn't get here, as only supported actions should be exposed via canPerformEditingAction
     DDLogError(@"'%@' action unsupported for %@: attachmentId=%@", actionString, self.class, self.attachmentId);
+    OWSAssert(NO);
 }
 
 @end

Signal/src/Models/TSMessageAdapaters/TSVideoAttachmentAdapter.m

@@ -275,6 +275,7 @@ NS_ASSUME_NONNULL_BEGIN
         NSString *actionString = NSStringFromSelector(action);
         DDLogError(
             @"Unexpected action: %@ for VideoAttachmentAdapter with contentType: %@", actionString, self.contentType);
+        OWSAssert(NO);
     }
 }