fix: increased float rounding precision for CRF parser (#1369)

* increased float rounding precision for crf parser

* limited fractions to a max denominator of 32 to prevent weirdly specific values

* add test cases for 1/8 and 1/32

* add rounding to avoid more digits than necessary

Co-authored-by: Hayden <64056131+hay-kot@users.noreply.github.com>

mealie/schema/recipe/recipe_ingredient.py

@@ -74,7 +74,7 @@ class RecipeIngredient(MealieModel):
         empty string.
         """
         if isinstance(value, float):
-            return value
+            return round(value, 3)
         if value is None or value == "":
             return None
         return value