[REF] Use getSubmittedValue rather than passed values

[eileenmcnaughton]

Overview

Use getSubmittedValue rather than passed values

Before

When arrays of values are passed around it is
a) hard to know whether they are what was submitted or somehow altered and
b) hard to move to another place in the code (see a)

After

getSubmittedValue used. We added this earlier this year & it's actually quite transformational

Technical Details

Comments

tests pass so yay

[civibot]

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[eileenmcnaughton]

test this please

[colemanw]

Tests are happy.