[Feature Request] - Add Option to "Update Frontmatter with Icon"

[kylek29]

Is your feature request related to a problem? Please describe.
It's not related to a problem, but a suggestion to improve certain workflows. Currently, Iconize sets the icon into it's data.json, but can be configured to get from a note's icon frontmatter (or whatever the user has configured that identifier as).

It'd be a nice addition to have the inverse of this and have the Iconize plugin set the selected icon into the frontmatter as well. This helps with copying/pasting files or if a user happens to search upon the property field or lose their data.json iconize settings.

Additional context

Example Workflow:

1. User creates a new note and gives it a title.
2. User right-click's the note and uses the "Set Icon" command, then selects an icon (for this example, we'll use TiBulb).
3. Iconize sets the icon in it's data.json (current behavior) as well as:

• If Iconize Settings has: Set Icon in Frontmatter == true
• • Sets frontmatter property on note for icon:TiBulb (assuming user has the "Frontmatter icon fieldname" setting set to "icon").