feat: add custom scaling option (#1345)

* Added custom scaling option

* Allow custom scaling with no yield set

* Made edit-scale translated

* fixed merge conflict

* Refactored scale editor to use menu

* replaced vslot with #

* linter issues

* fixed linter issues

* fixed one more linter issue

* format files + minor UI changes

* remove console.log

* move buttons into component and setup v-model

* drop servings text

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

frontend/lang/messages/de-DE.json

@@ -248,6 +248,7 @@
     "description": "Beschreibung",
     "disable-amount": "Zutatenmenge deaktivieren",
     "disable-comments": "Kommentare deaktivieren",
+    "edit-scale": "Skalierung bearbeiten",
     "fat-content": "Fett",
     "fiber-content": "Ballaststoffe",
     "grams": "g",

frontend/lang/messages/en-US.json

@@ -248,6 +248,7 @@
     "description": "Description",
     "disable-amount": "Disable Ingredient Amounts",
     "disable-comments": "Disable Comments",
+    "edit-scale": "Edit Scale",
     "fat-content": "Fat",
     "fiber-content": "Fiber",
     "grams": "grams",