Run all the strings through localization

The strings "DeepL" and "Apple Translate" are now also saved in
localizable.strings and addressed through keys. They were taken
directly previously, which was inconsistent.

IceCubesApp/Resources/Localization/Localizable.xcstrings

@@ -26160,6 +26160,28 @@
         }
       }
     },
+    "enum.translation-type.apple" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Apple Translate"
+          }
+        }
+      }
+    },
+    "enum.translation-type.deepl" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "DeepL"
+          }
+        }
+      }
+    },
     "enum.translation-type.use-server-if-possible" : {
       "extractionState" : "manual",
       "localizations" : {

Packages/Env/Sources/Env/TranslationType.swift

@@ -10,9 +10,9 @@ public enum TranslationType: String, CaseIterable {
       case .useServerIfPossible:
         "enum.translation-type.use-server-if-possible"
       case .useDeepl:
-        "DeepL"
+        "enum.translation-type.deepl"
       case .useApple:
-        "Apple Translate"
+        "enum.translation-type.apple"
     }
   }
 }