reintroduce SMB delivery ration in Prefs

FreeAPS/Sources/Modules/PreferencesEditor/PreferencesEditorStateModel.swift

@@ -421,6 +421,15 @@ extension PreferencesEditor {
                         comment: "SMB Max RangeExtension"
                     ),
                     settable: self
+                ),
+                Field(
+                    displayName: "SMB DeliveryRatio",
+                    type: .decimal(keypath: \.smbDeliveryRatio),
+                    infoText: NSLocalizedString(
+                        "Default value: 0.5 This is another key OpenAPS safety cap, and specifies what share of the total insulin required can be delivered as SMB. This is to prevent people from getting into dangerous territory by setting SMB requests from the caregivers phone at the same time. Increase this experimental value slowly and with caution.",
+                        comment: "SMB DeliveryRatio"
+                    ),
+                    settable: self
                 )
             ]