Fix various minor UI issues

Signal/src/ViewControllers/CropScaleImageViewController.swift

@@ -191,7 +191,7 @@ import SignalMessaging
         maskingView.autoPinEdgesToSuperviewEdges()
 
         let titleLabel = UILabel()
-        titleLabel.textColor = Colors.text
+        titleLabel.textColor = .white
         titleLabel.textAlignment = .center
         titleLabel.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
         titleLabel.text = NSLocalizedString("CROP_SCALE_IMAGE_VIEW_TITLE",

Signal/src/ViewControllers/LongTextViewController.swift

@@ -171,7 +171,7 @@ public class LongTextViewController: OWSViewController {
         view.addSubview(footer)
         footer.autoPinWidthToSuperview()
         footer.autoPinEdge(.top, to: .bottom, of: messageTextView)
-        footer.autoPinEdge(.bottom, to: .bottom, of: view)
+        footer.autoPinEdge(toSuperviewSafeArea: .bottom)
 
         footer.items = [
             UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil),

SignalServiceKit/src/Loki/API/Onion Requests/OnionRequestAPI.swift

@@ -290,7 +290,8 @@ public enum OnionRequestAPI {
                 let url = "\(guardSnode.address):\(guardSnode.port)/onion_req"
                 let finalEncryptionResult = intermediate.finalEncryptionResult
                 let onion = finalEncryptionResult.ciphertext
-                if case Destination.server = destination, Double(onion.count) > 0.75 * (Double(FileServerAPI.maxFileSize) / FileServerAPI.fileSizeORMultiplier) {
+                let requestSizeLimit = Double(FileServerAPI.maxFileSize) / FileServerAPI.fileSizeORMultiplier
+                if case Destination.server = destination, Double(onion.count) > 0.75 * requestSizeLimit {
                     print("[Loki] Approaching request size limit: ~\(onion.count) bytes.")
                 }
                 let parameters: JSON = [