Enhancement: refactor monetary field

[shamoon]

Proposed change

I guess Im a sucker for obsessive stuff so I spent some time reworking this, I think the most important issue was the keyboard weirdness, which this should improve. Probably the single biggest thing is changing the track parameter to make angular change detection work better on these. See video which is 100% keyboard interaction except where obvious.

monetaryrefactor.mov

Related to #6357

Type of change

• Bug fix: non-breaking change which fixes an issue.
• New feature / Enhancement: non-breaking change which adds functionality. Please read the important note above.
• Breaking change: fix or feature that would cause existing functionality to not work as expected.
• Documentation only.
• Other. Please explain:

Checklist:

• I have read & agree with the contributing guidelines.
• If applicable, I have included testing coverage for new code in this PR, for backend and / or front-end changes.
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• If applicable, I have checked that all tests pass, see documentation.
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• I have made corresponding changes to the documentation as needed.
• I have checked my modifications for any breaking changes.

[stumpylog]

Mostly deferring to you one this

[github-actions]

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