perf(macOS): Cache DisplayInformation properties

[spouliot]

GitHub Issue (If applicable): closes #9098

PR Type

What kind of change does this PR introduce?

• Refactoring (no functional changes, no api changes)

What is the current behavior?

Calling DisplayInformation properties requires several, slow native (ObjC) calls.

What is the new behavior?

Subscribe to notifications to let us know the NSWindow (macOS) or UIScreen (macOS) have changed screen (or resolution) so we can cache the values between calls.

PR Checklist

Please check if your PR fulfills the following requirements:

• Docs have been added/updated which fit documentation template (for bug fixes / features)
• Unit Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
• Validated PR Screenshots Compare Test Run results.
• Contains NO breaking changes
• Associated with an issue (GitHub or internal) and uses the automatic close keywords.
• Commits must be following the Conventional Commits specification.

Other information

Internal Issue (If applicable):

[gitpod-io]

[spouliot]

Draft until the iOS version is added.