[Feature Request] Implement deferral mechanism for updates

[CrowbarToolsRobot]

Implement the following stategy in regards to auto updates:

On start

If deferral flag is set to a prior feature version than what is currently running

• Clear deferral flag

If no updates

• Do nothing

Otherwise, If the latest update is a Hot-Fix update for the currently installed feature version

• Download update in background
• Apply update on restart

Otherwise, If the user has not had opportunity to defer updates for their currently installed feature version

Prompt user to update - The prompt will note that updating will be forced in 7 days

Update button is clicked

• Download & apply update in blocking fashion

Defer button is clicked

• Update button appears in UI

Otherwise, if the user has deferred updating for their currently installed feature version

If 7 days have not passed since deferral

• Add Update button to UI

Otherwise, if 7 days have passed since deferral

• Download update in background
• Notify user the update will be applied on restart
• Apply update on restart

[zunderscore]

Partially resolved in v5.59.0