Fix new feedforwardgroup options

[asizon]

I dont know were and why we loose msp write lines for these two new feedforward options.
Maybe we loose afeter this @haslinghuis ??? is really weird. Also added these 2 new parameters to fc.js
92948e2

[sonarqubecloud]

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0.0% Duplication

[ctzsnooze]

Thanks, Asizon.
Tested and checked, all feedforward values save correctly.
I also checked all the othervalues in the PID_tuning page, they seem to save and refresh correctly.

[limonspb]

looks like they disappeared in this PR
#2638
@haslinghuis could you please check if something else was unintentionally removed in that merge commit for just in case.

[blckmn]

AUTOMERGE: (FAIL)

• github identifies PR as mergeable -> FAIL
• assigned to a milestone -> PASS
• cooling off period lapsed -> FAIL
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• at least one RN: label found -> PASS
• Tested label found -> PASS
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• approver count at least three -> FAIL

[haslinghuis]

I guess rebase went wrong (thinking it wasn't merged yet), As this already was introduced here:
#2656