Changing an ingredient during import not possible if no quantity is stored

[solaris7590]

Tandoor Version

1.4.6

Setup

Docker / Docker-Compose

Reverse Proxy

No reverse proxy

Other

No response

Bug description

A bug with the new function "added simple modal to recipe import to edit ingredients".

When importing, if the Unit field is left blank/no unit is present, you cannot edit that ingredient. In the edit window that opens, the last ingredient edited appears, or if you have not edited anything else before, the window is empty.
In this recipe you can see the error: https://www.chefkoch.de/rezepte/2109501340136606/Tagliatelle-al-Salmone.html?portionen=2

It would also be nice if when changing an ingredient, as well as when creating a recipe, a dropdown opens with the already existing ingredients.

Otherwise I am very happy about this feature. This is exactly what I've been waiting for :)

Relevant logs

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