Rename AttachmentStream methods.

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageBubbleView.m

@@ -855,7 +855,7 @@ NS_ASSUME_NONNULL_BEGIN
             < kMaxCachableSize;
         stillImageView.image = [strongSelf tryToLoadCellMedia:^{
             OWSCAssert([strongSelf.attachmentStream isImage]);
-            return strongSelf.attachmentStream.image;
+            return strongSelf.attachmentStream.originalImage;
         }
                                                     mediaView:stillImageView
                                                      cacheKey:strongSelf.attachmentStream.uniqueId
@@ -979,7 +979,7 @@ NS_ASSUME_NONNULL_BEGIN
         stillImageView.image = [strongSelf tryToLoadCellMedia:^{
             OWSCAssert([strongSelf.attachmentStream isVideo]);
 
-            return strongSelf.attachmentStream.image;
+            return strongSelf.attachmentStream.originalImage;
         }
                                                     mediaView:stillImageView
                                                      cacheKey:strongSelf.attachmentStream.uniqueId

Signal/src/ViewControllers/MediaDetailViewController.m

@@ -73,7 +73,7 @@ NS_ASSUME_NONNULL_BEGIN
     _galleryItemBox = galleryItemBox;
     _viewItem = viewItem;
     // We cache the image data in case the attachment stream is deleted.
-    _image = galleryItemBox.attachmentStream.image;
+    _image = galleryItemBox.attachmentStream.originalImage;
 
     return self;
 }

Signal/src/ViewControllers/MediaGalleryViewController.swift

@@ -43,7 +43,7 @@ public struct MediaGalleryItem: Equatable, Hashable {
     }
 
     var fullSizedImage: UIImage {
-        guard let image = attachmentStream.image() else {
+        guard let image = attachmentStream.originalImage() else {
             owsFail("\(logTag) in \(#function) unexpectedly unable to build attachment image")
             return UIImage()
         }

SignalMessaging/ViewModels/OWSQuotedReplyModel.m

@@ -88,7 +88,7 @@ NS_ASSUME_NONNULL_BEGIN
         TSAttachmentStream *attachmentStream;
         if ([attachment isKindOfClass:[TSAttachmentStream class]]) {
             attachmentStream = (TSAttachmentStream *)attachment;
-            thumbnailImage = attachmentStream.image;
+            thumbnailImage = attachmentStream.originalImage;
         }
     } else if (attachmentInfo.thumbnailAttachmentPointerId) {
         // download failed, or hasn't completed yet.

SignalServiceKit/src/Contacts/Threads/TSGroupThread.m

@@ -191,7 +191,7 @@ NSString *const TSGroupThread_NotificationKey_UniqueId = @"TSGroupThread_Notific
     OWSAssert(attachmentStream);
     OWSAssert(transaction);
 
-    self.groupModel.groupImage = [attachmentStream image];
+    self.groupModel.groupImage = [attachmentStream originalImage];
     [self saveWithTransaction:transaction];
 
     [transaction addCompletionQueue:nil

SignalServiceKit/src/Messages/Attachments/TSAttachmentStream.h

@@ -37,7 +37,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, readonly) NSDate *creationTimestamp;
 
 #if TARGET_OS_IPHONE
-- (nullable UIImage *)image;
+- (nullable UIImage *)originalImage;
 - (nullable UIImage *)thumbnailImage;
 - (nullable NSData *)thumbnailData;
 - (nullable NSData *)validStillImageData;

SignalServiceKit/src/Messages/Attachments/TSAttachmentStream.m

@@ -333,7 +333,7 @@ const CGFloat kMaxVideoStillSize = 1 * 1024;
 
 #pragma mark -
 
-- (nullable UIImage *)image
+- (nullable UIImage *)originalImage
 {
     if ([self isVideo]) {
         return [self videoStillImage];