Fix json deserialization error on select value changed

Due to .NET internal transformation of the provided JSON array, it can happen that ValueChanged receives a JsonElement of type String instead of Array, resulting in an error then trying to deserialize it into an array.
This commit fixes that.

SiemensIXBlazor/Components/Select/Select.razor.cs

@@ -77,8 +77,14 @@ public async void ValueChanged(dynamic labels)
  else if(labels is JsonElement)
  {
  JsonElement jsonText = labels;
- string[] labelArray = jsonText.Deserialize<string[]>()!;
- await ValueChangeEvent.InvokeAsync(labelArray);
+
+ if (jsonText.ValueKind == JsonValueKind.Array) {
+ string[] labelArray = jsonText.Deserialize<string[]>()!;
+ await ValueChangeEvent.InvokeAsync(labelArray);
+ } else
+ {
+ await ValueChangeEvent.InvokeAsync(jsonText.GetString());
+ }
  }
 
  }