Fix/ab#81892 method for calc in utils parser

[RenzoPrats]

Description

Fixed: Method for calc in utils parser is removing some span in the code.

Useful links

ticket

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

It has been tested creating a text widget and putting some {{calc. operations inside the editor using some data to these operations that have style applied to the layout of it, and also testing if others span in the content is not being removed.

Screenshots

Checklist:

( * == Mandatory )

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• I have added tests that prove my fix is effective or that my feature works
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[unai-reliefapp]

@AntoineRelief is there the option were this values could be placed inside any other element besides span elements? If that the case a little modification should be done in the regex.
Otherwise looks good 👍

[TaiKamilla]

This works as intended
The only thing is that maybe is some scenario’s it might be that there is nested tags
and will only get the first span