Apply suggestions from code review.

Co-authored-by: David Feinzimer <[email protected]>

Author: CalebRas

Shared/Samples/Augment reality to show hidden infrastructure/AugmentRealityToShowHiddenInfrastructureView.ARSceneView.swift

@@ -51,7 +51,7 @@ extension AugmentRealityToShowHiddenInfrastructureView {
             }
         }
 
-        /// The menu with the settings.
+        /// The settings menu.
         private var settingsMenu: some View {
             Menu("Settings") {
                 Toggle("Shadows", isOn: $shadowsAreVisible)

Shared/Samples/Augment reality to show hidden infrastructure/AugmentRealityToShowHiddenInfrastructureView.swift

@@ -58,7 +58,7 @@ struct AugmentRealityToShowHiddenInfrastructureView: View {
 
             if elevationOffset < 0 {
                 statusMessage = "Pipe added \(elevationOffset.formatted()) meter(s) below surface."
-            } else if elevationOffset == 0 {
+            } else if elevationOffset.isZero {
                 statusMessage = "Pipe added at ground level."
             } else {
                 statusMessage = "Pipe added \(elevationOffset.formatted()) meter(s) above surface."
@@ -214,7 +214,7 @@ private extension AugmentRealityToShowHiddenInfrastructureView {
         func body(content: Content) -> some View {
             content
                 .alert("Enter an Elevation", isPresented: $isPresented) {
-                    TextField("3", text: $text)
+                    TextField("Enter elevation", text: $text)
                         .keyboardType(.numbersAndPunctuation)
 
                     Button("Cancel", role: .cancel, action: {})