reposition buttons in Log In and Unlock pages (#1073)

* reposition buttons in Log In and Unlock pages

-   Log In page: move Log In button to primary location below password
    entry, move Get Your Master Password Hint to the More Options menu
-   Unlock page (Verify Master Password): swap position of Unlock
    and Log Out buttons

* finish changes to improved login ui

- move Log Out button in lock screen to secondary menu
- show Get Hint button on login screen in the iOS autofill login flow

Co-authored-by: Matt Portune <59324545+mportune-bw@users.noreply.github.com>

src/App/Pages/Accounts/LoginPage.xaml.cs

@@ -1,4 +1,5 @@
 using Bit.App.Models;
+using Bit.App.Resources;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
 using System;
@@ -40,6 +41,15 @@ namespace Bit.App.Pages
 
             _email.ReturnType = ReturnType.Next;
             _email.ReturnCommand = new Command(() => _masterPassword.Focus());
+
+            if (Device.RuntimePlatform == Device.iOS)
+            {
+                ToolbarItems.Add(_moreItem);
+            }
+            else
+            {
+                ToolbarItems.Add(_getPasswordHint);
+            }
         }
 
         public Entry MasterPasswordEntry { get; set; }
@@ -82,6 +92,22 @@ namespace Bit.App.Pages
             }
         }
 
+        private async void More_Clicked(object sender, System.EventArgs e)
+        {
+            if (!DoOnce())
+            {
+                return;
+            }
+
+            var selection = await DisplayActionSheet(AppResources.Options, 
+                AppResources.Cancel, null, AppResources.GetPasswordHint);
+
+            if (selection == AppResources.GetPasswordHint)
+            {
+                await Navigation.PushModalAsync(new NavigationPage(new HintPage()));
+            }
+        }
+
         private async Task StartTwoFactorAsync()
         {
             var page = new TwoFactorPage(false, _appOptions);