fix grid state timing issue

Author: pwelter34

src/LoreSoft.Blazor.Controls/Data/DataGrid.razor.cs

@@ -202,6 +202,11 @@ public partial class DataGrid<TItem> : DataComponentBase<TItem>
     /// </summary>
     public List<DataColumn<TItem>> Columns { get; } = [];
 
+    /// <summary>
+    /// Gets the most recently saved state of the data grid, if available.
+    /// </summary>
+    public DataGridState? LastGridState { get; private set; }
+
     /// <summary>
     /// Gets a value indicating whether the column picker panel is open.
     /// The column picker allows users to show/hide columns that have <see cref="DataColumn{TItem}.Hideable"/> set to true.
@@ -966,6 +971,9 @@ private async Task ResetStateAsync(
         // notify subscribers to reset their own state
         StateResetting?.Invoke();
 
+        // clear cached state
+        LastGridState = null;
+
         // refresh sort picker state if needed
         UpdateSortPickerState();
 
@@ -978,6 +986,7 @@ private async Task ResetStateAsync(
         {
             _isResetting = false;
         }
+
     }
 
     /// <summary>
@@ -1004,9 +1013,12 @@ private async Task LoadStateAsync()
             return;
         }
 
-        if (state is null)
+        if (state is null || state == LastGridState)
             return;
 
+        // cache loaded state to prevent redundant loads and detect changes on subsequent loads
+        LastGridState = state;
+
         // restore filters
         if (state.Query?.Filters.Count > 0)
         {
@@ -1091,6 +1103,9 @@ private async Task SaveStateAsync()
         // allow subscribers to add their own state to the extensions bag
         StateSaving?.Invoke(state);
 
+        // cache loaded state to prevent redundant loads and detect changes on subsequent loads
+        LastGridState = state;
+
         try
         {
             await StorageService.SetItemAsync(

src/LoreSoft.Blazor.Controls/Data/DataGridToolbar.razor.cs

@@ -181,6 +181,9 @@ protected override void OnParametersSet()
             CurrentGrid.StateLoaded += HandleStateLoaded;
             CurrentGrid.StateResetting += HandleStateResetting;
         }
+
+        if (CurrentGrid?.LastGridState != null)
+            HandleStateLoaded(CurrentGrid.LastGridState);
     }
 
     /// <inheritdoc />

src/LoreSoft.Blazor.Controls/Query/QueryBuilderFilter.razor.cs

@@ -72,7 +72,7 @@ protected void OperatorChanged()
     /// Gets a value indicating whether the value input should be shown for the current operator.
     /// </summary>
     protected bool ShowValueInput
-        => Filter.Operator is not QueryOperators.IsNull or QueryOperators.IsNotNull;
+        => Filter.Operator is not (QueryOperators.IsNull or QueryOperators.IsNotNull);
 
     /// <summary>
     /// Removes this filter from its parent group and refreshes the query builder.