JSON FromText Limited to <14K characters

[JustinGrote]

@anthony-c-martin

Bicep version
Artifact from #3510

Issue
Cannot import a json more than ~14k characters, which is a problem if you want to define, say, a library of builtin policies and their associated IDs which is one of my current use cases for this.

Reproduce
Make a json with more than 14k characters
Try to import the JSON, error will show that the size is limited.

Potential Solutions

1. [Ideal] Offer a "tree-shaking" option via a decorator or something to the var so that, when the ARM template is built, the expression only contains the json entries that are referenced rather than the entire json file, and update the LSP to allow for longer strings for the jsontext import.
2. Increase the limit if possible
3. Transparently split it into multiple expressions?

[JustinGrote]

Workaround currently by splitting policy files into their categories. This is pretty nice.

[JustinGrote]

Even better!