Mitigate additions to core/add-on update dialog

[hgregorian]

Checklist

• I have updated to the latest available Home Assistant version.
• I have cleared the cache of my browser.
• I have tried a different browser to see if it is related to my browser.

Describe the issue you are experiencing

Since the release of core:2021.3, add-on updates include new dialogs asking if a snapshot should be created for the add-on. This option is always true requiring an unnecessary click in the case that the user does not want an add-on snapshot to be created. Additionally, once the update is underway, a blocking dialog appears until the various update processes have finished. Make no mistake, I think all of this is generally a great progression, but as a seasoned user, it does not interest me. I will generally allow several add-on updates to stack up, review each of their CHANGELOG's, click update, and move on to the next without waiting for a specific add-on to complete its update process (pull image, stop image, start new image, etc.)

Describe the behavior you expected

Overall, less clicks :). Click update and receive no additional notification aside from the pending graphic over the update button. Off the top of my head, I respectfully submit these suggestions:

• remember the snapshot flag state for a given add-on
• allow closure of the "Updating {name} to version {version}" without having to refresh the browser to get rid of it
• add "don't show again" to the dialog
• add option in user's profile to disable these dialogs entirely
• opt-out of dialogs automatically if user's profile "advanced mode" is true

Steps to reproduce the issue

1. Perform core/add-on update
2. Observe confirmation dialog with snapshot flag, click 'update'
3. Observe additional "Updating..." dialog that allows for no user interaction

What version of Home Assistant Core has the issue?

core-2021.3.2

What was the last working version of Home Assistant Core?

core-2021.2

In which browser are you experiencing the issue with?

Google Chrome 88.0.4324.192

Which operating system are you using to run this browser?

macOS 10.15.7

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