Filter out duplicate determinations by deliverAt, if present, after carb entry edit

Trio/Sources/Modules/Home/HomeStateModel+Setup/DeterminationSetup.swift

@@ -41,9 +41,11 @@ extension Home.StateModel {
             key: "deliverAt",
             ascending: false,
             batchSize: 50,
-            propertiesToFetch: ["cob", "iob", "objectID"]
+            propertiesToFetch: ["cob", "iob", "deliverAt", "objectID"]
         )
 
+        debug(.businessLogic, "IOB AND COB FOR CHART: \(results)")
+
         return await determinationFetchContext.perform {
             guard let fetchedResults = results as? [[String: Any]] else {
                 return []

Trio/Sources/Modules/Home/View/Chart/ChartElements/CobIobChart.swift

@@ -80,7 +80,24 @@ extension MainChartView {
     }
 
     func drawCOBIOBChart() -> some ChartContent {
-        ForEach(state.enactedAndNonEnactedDeterminations) { item in
+        // Filter out duplicate entries by `deliverAt`,
+        // We sometimes get two determinations when editing carbs, one without the entry-to-be-edited and then another one after editing the entry.
+        // We are fetching determinations in descending order, so the first one is the latter determination (with correct amounts), so keeping the first one encountered.
+        var seenDates = Set<Date>()
+        let filteredDeterminations = state.enactedAndNonEnactedDeterminations.filter { item in
+            if let date = item.deliverAt {
+                if seenDates.contains(date) {
+                    // Already seen this date – filter it out.
+                    return false
+                } else {
+                    seenDates.insert(date)
+                    return true
+                }
+            }
+            return true
+        }
+
+        return ForEach(filteredDeterminations) { item in
 
             // MARK: - COB line and area mark