Optimize locale loading (remove always loading english, that was only needed with the old system)

add bulk property change event method
give each markup extension its own property name

Add more NotificationHelper methods
Simplify ID copy logic

This is not a continuation of the Metal backend; this is simply bringing
the branch up to date and merging it as-is behind an experiment.

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Co-authored-by: Isaac Marovitz <isaacryu@icloud.com>
Co-authored-by: Samuliak <samuliak77@gmail.com>
Co-authored-by: SamoZ256 <96914946+SamoZ256@users.noreply.github.com>
Co-authored-by: Isaac Marovitz <42140194+IsaacMarovitz@users.noreply.github.com>
Co-authored-by: riperiperi <rhy3756547@hotmail.com>
Co-authored-by: Gabriel A <gab.dark.100@gmail.com>

swiggybobo

Custom refresh rate locales and fixed a couple others too

Minor but useful quality of life addition

UI: Move Match PC Time to next to the time selector & change label & tooltip to clarify behavior further.

Partially resolves #355. I think that wanted automatic. If automatic functionality is still desired even with this change then that will be considered.

UI: Change "System Version" to "Firmware Version" and change 0.0 when firmware is not installed to NaN

Closes #419