UFM filter parameters are null in UFM Expressions

[glombek]

Which Umbraco version are you using?

17.0.0-rc1

Bug summary

Filters such as truncate and fallback do not work with UFM Expressions, only UFM Components. After a bit of debugging this is because the parameters are coming through as null in Expressions.

Specifics

Parameters are undefined for custom filters too.

Steps to reproduce

Create block labels like the following:

Rich Text: ${ content | stripHtml | truncate:30 | fallback:[Empty] }
Rich Text: {umbValue: content | stripHtml | truncate:30 | fallback:[Empty] }

Expected result / actual result

Rich Text: ${ content | stripHtml | truncate:30 | fallback:[Empty] }
If content has a value, it appends a ... e.g. Rich Text: Here's some bold, italic rich text!…
It should only do this if it's truncating the string.

If empty, the fallback does not kick in:
Rich Text:

Rich Text: {umbValue: content | stripHtml | truncate:30 | fallback:[Empty] } works as expected.

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This item has been added to our backlog AB#61957

[github-actions]

Hi there @glombek!

Firstly, a big thank you for raising this issue. Every piece of feedback we receive helps us to make Umbraco better.

We really appreciate your patience while we wait for our team to have a look at this but we wanted to let you know that we see this and share with you the plan for what comes next.

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