fix view image HEIC

iOSClient/Main/CCDetail.m

@@ -393,7 +393,7 @@
         
         if ([CCUtility fileProviderStorageExists:metadata.fileID fileNameView:metadata.fileNameView] == NO && status == k_metadataStatusNormal) {
             
-            if ([[NSFileManager defaultManager] fileExistsAtPath:[CCUtility getDirectoryProviderStorageIconFileID:metadata.fileID fileNameView:metadata.fileNameView]] == NO) {
+            if ([[NSFileManager defaultManager] fileExistsAtPath:[CCUtility getDirectoryProviderStorageIconFileID:metadata.fileID fileNameView:metadata.fileNameView]] == NO && metadata.hasPreview) {
                 
                 [CCGraphics addImageToTitle:NSLocalizedString(@"_...loading..._", nil) colorTitle:[NCBrandColor sharedInstance].brandText imageTitle:[CCGraphics changeThemingColorImage:[UIImage imageNamed:@"load"] multiplier:2 color:[NCBrandColor sharedInstance].brandText] imageRight:NO navigationItem:self.navigationItem];