Pasting JSON as Bicep should follow current indentation at the paste location

> Is there a way we can take into account the current indent level here?
> For example, if I paste `{"baz": "ghi"}` here (`|`):
```bicep
var bar = {
def: |
}
```
> Currently results in:
```bicep
var bar = {
def: {
baz: 'ghi'
}
}
```
> Whereas ideally it should be:
```bicep
var bar = {
def: {
baz: 'ghi'
}
}
```
> `FormatHelper.ToFormattedTextWithNewIndentation()` is the method I used for the single -> multi line object code fix provider - might be helpful here.

_Originally posted by @anthony-c-martin in https://github.com/Azure/bicep/pull/9519#discussion_r1069633156_

Start with FormatHelper.ToFormattedTextWithNewIndentation() and trace the JSON-to-Bicep paste handling path. Compare indentation at the paste location with the issue's nested-object example, and verify that the resulting text matches the expected formatting.

Written by the indexing model from the issue text.