Add contribution page tokens to contribution tokens

[eileenmcnaughton]

Overview

Add contribution page tokens to contribution tokens

Before

Tokens not available

After

A small handful are

Technical Details

@larssandergreen this is a reviewers cut of the token portion of the changes in #27173 - the main change is that I added some extra tokens that I could see would be required in the online contribution template

My other focus was to work through the code & understand where the html handling would best be done. I have some thoughts based on this - which I will put up separately. Note the test I put up is just where I was most comfortable putting it - I suggest we add both this one & your test tweaks (once this all passes)

Comments

Update - I think the line break handling best lives in the coversion within the token - ie #27204 and #27203

[civibot]

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[colemanw]

Test cover looks good