Ingredient quantities in microwave recipes are written as strings

[portfiend]

Description

If you try to make a microwaveMealRecipe and add ingredients to the solids and reagents fields, the numerical values for ingredients will be written as string literals in quotes.

Steps to reproduce

1. Create a new microwaveMealRecipe prototype.
2. Add some solid or reagent ingredients with numerical values.
3. Check the YML.

Expected behavior

The ingredient quantities of recipes should be numbers.

Actual behavior

It turns into strings instead.

Version

v1.1.18