fix: round ingredient amounts when not using fractions #4470
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What type of PR is this?
What this PR does / why we need it:
Ingredient amounts were not rounded when Fractions were turned of for that specific unit. This leads to unnecessairy precision described in #4465. This rounds the number to three significant digits.
Resulting in the following output for the 400 / 160 scaled from 6 to 7 in the issue linked above.
Happy to tune the precision if somebody sees a case where this would not be enough. Couldn't think of one.
Which issue(s) this PR fixes:
Special notes for your reviewer:
I had to do some back and forth casting to between Numbers and Strings to:
If there is a better method please let me know.
Testing
Manual testing with the example described in #4465