Ensure minimum reserved result count is 1 for grid

Prevent value from being set to 0 when reserving results for the pinned grid layout by using Math.Max(1, ...). This guarantees at least one result is always reserved, even with low MaxResultsToShow settings.

Author: Jack251970

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1091,15 +1091,16 @@ public double PinnedGridReservedResultCount
                     Settings.EnablePinnedResults &&
                     Settings.PinnedResultsLayout == PinnedLayoutOptions.Grid)
                 {
-                    value = Settings.MaxResultsToShow * 0.25;
+                    value = Math.Max(1, Settings.MaxResultsToShow * 0.25);
                 }
 
                 if (value != _pinnedGridReservedResultCount)
                 {
                     _pinnedGridReservedResultCount = value;
                     OnPropertyChanged(nameof(PinnedGridHeightForEmptyQuery));
                 }
-                return value;
+
+                return _pinnedGridReservedResultCount;
             }
         }