fix(windows): check if automatic updates off before prompt

[rc-swag]

Before prompting check if automatic updates has been turned off in the time sitting in waiting for restart.
Also check it as we transition to waiting for restart in case it was turned off while downloading.
Build-bot: release windows
Fixes: #14262

[keymanapp-test-bot]

User Test Results

Test specification and instructions

• ✅ TEST_UPDATE_CANCELED_NO_PROMPT (PASSED): notes (notes)
• ✅ TEST_UPDATE_PROMPT (PASSED): notes (notes)

Test Artifacts

• Windows
  • Keyman for Windows
  • FirstVoices Keyboards for Windows
  • Text Editor (32 bit)
  • Text Editor (64 bit)

[rc-swag]

User Testing

TEST_UPDATE_CANCELED_NO_PROMPT

Install the Keyman for Windows Build associated with this PR.

1. Start Keyman
2. Open configuration go to the "Options" tab and ensure "Automatically check for updates and download" is selected.
3. Go to the "Update" tab
4. Open the windows registry (Win+R and type regedit) and check the "update state flag" if it is already usWaitingRestart go straight to step 8. Which should be go to Options and uncheck Automatically check for updates and downloads].
5. Check for now updates
6. Open the windows registry (Win+R and type regedit) and check the "update state flag" at Computer\HKEY_CURRENT_USER\SOFTWARE\Keyman\Keyman Engine
7. It should end up at state usWaitingRestart after going through the other states -> usUpdateAvailable -> usDownloadloading -> usWaitingRestart
8. Now got to the Options and uncheck Automatically check for updates and downloads.
9. Exit Configuration and Keyman.
10. Restart Windows
11. Once Keyman starts (if it doesn't start, start Keyman)
12. Open the windows registry (Win+R and type regedit) and check the "update state flag" at Computer\HKEY_CURRENT_USER\SOFTWARE\Keyman\Keyman Engine
13. Observe that the update state flag returns to usIdle

TEST_UPDATE_PROMPT

This is a regression to test to ensure the "normal" case still works.

1. Start Keyman
2. Go to the Options and check Automatically check for updates and downloads.
3. Open configuration go to the "Update" tab
4. Open the windows registry (Win+R and type regedit) and check the "update state flag" if it is already usWaitingRestart go straight to step 8
5. Check for now updates
6. Open the windows registry (Win+R and type regedit) and check the "update state flag" at Computer\HKEY_CURRENT_USER\SOFTWARE\Keyman\Keyman Engine
7. It should end up at state usWaitingRestart after going through the other states -> usUpdateAvailable -> usDownloadloading -> usWaitingRestart
8. Exit Configuration and Keyman.
9. Restart Windows
10. Once Keyman starts (if it doesn't start, start Keyman), A prompt should appear to notify the user Keyman update will install now with an option to exit.

[mcdurdin]

LGTM, just nits

[Nnyny]

Test Results

Before testing:
- Remove the previous Keyman version through control panel
- Install keyman-19.0.94.exe
- On Setup, select 'Keyman 19.0.94-alpha-test-14295' and install

• TEST_UPDATE_CANCELED_NO_PROMPT (PASSED): notes

1. Start Keyman > Options tab
2. Make sure 'Automatically check for updates and download' is selected
3. Go to Registry Editor > HKEY_CURRENT_USER\Software\Keyman\Keyman Engine
4. Confirm 'update state' is usIdle
5. Go to Keyman > Update tab > Check for new updates
6. New update Keyman 19.0.104 appears
7. Go back to the Registry Editor and refresh it (Fn + F5)
8. 'update state' has changed to usWaitingRestart
9. Back to Keyman > Options tab > uncheck 'Automatically check for updates and download'
10. Close Keyman and restart the computer
11. Make sure Keyman is running
12. Go to Registry Editor and confirmed 'update state' has returned to usIdle

• TEST_UPDATE_PROMPT (PASSED): notes

1. Open Keyman > Options tab > check 'Automatically check for updates and download'
2. Close Keyman and restart
3. Go to Registry Editor > HKEY_CURRENT_USER\Software\Keyman\Keyman Engine
4. Confirm 'update state' is usIdle
5. Go to Keyman > Update tab > Check for new updates
6. New update Keyman 19.0.104 appears
7. Go back to the Registry Editor and refresh twice (Fn + F5)
8. 'update state' has changed to usWaitingRestart
9. Close Keyman and restart the computer
10. Keyman Update ask to install a new update

[keyman-server]

Changes in this pull request will be available for download in Keyman version 19.0.106-alpha