Fixes Sitemap image rendering issue. (#831)

When loading sitemaps, i noticed many images were not rendering until i rotated my device, which forces a rerender of the view.  This fixes that.

Signed-off-by: Dan Cunningham <dan@digitaldan.com>

openHAB/OpenHABSitemapViewController.swift

@@ -713,21 +713,20 @@ extension OpenHABSitemapViewController: UITableViewDelegate, UITableViewDataSour
  ).url {
  var imageRequest = URLRequest(url: urlc)
  imageRequest.timeoutInterval = 10.0
-
- let reportOnResults: ((Swift.Result<RetrieveImageResult, KingfisherError>) -> Void)? = { result in
+ cell.imageView?.kf.setImage(
+ with: KF.ImageResource(downloadURL: urlc, cacheKey: urlc.path + (urlc.query ?? "")),
+ placeholder: nil,
+ options: [.processor(OpenHABImageProcessor())]
+ ) { result in
  switch result {
- case let .success(value):
- os_log("Task done for: %{PUBLIC}@", log: .viewCycle, type: .info, value.source.url?.absoluteString ?? "")
+ case .success:
+ DispatchQueue.main.async {
+ cell.setNeedsLayout()
+ }
  case let .failure(error):
- os_log("Job failed: %{PUBLIC}@", log: .viewCycle, type: .info, error.localizedDescription)
+ os_log("Image loading failed: %{PUBLIC}@", log: .viewCycle, type: .error, error.localizedDescription)
  }
  }
- cell.imageView?.kf.setImage(
- with: KF.ImageResource(downloadURL: urlc, cacheKey: urlc.path + (urlc.query ?? "")),
- placeholder: nil,
- options: [.processor(OpenHABImageProcessor())],
- completionHandler: reportOnResults
- )
  }
  }