* get deprecation workflow up to date
* fix routing.transition-methods deprecation
* fix this-property-fallback deprecation
* fix implicit-injections deprecation
* argument-less-helper-paren-less-invocation
* remove unmaintained ember-transition-helper which triggers deprecated-run-loop-and-computed-dot-access deprecation
* reset to only log but not throw on errors to not block other development
* reset double quote to single quote changes in templates and fix Prettier config
* fix JS linting
* ugprade ember-template-lint to fix parser
Also removes an observer that causes a "You modified 'disabled' twice in a single render" and executes the logic in the next run loop to prevent that error. That's not ideal but it's not time for a major refactoring of that part.
