Added custodian account trade support (#3978)

* Added custodian account trade support

* UI updates

* Improved UI spacing and field sizes + Fixed input validation

* Reset error message when opening trade modal

* Better error handing + test + surface error in trade modal in UI

* Add delete confirmation modal

* Fixed duplicate ID in site nav

* Replace jQuery.ajax with fetch for onTradeSubmit

* Added support for minimumTradeQty to trading pairs

* Fixed LocalBTCPayServerClient after previous refactoring

* Handling dust amounts + minor API change

* Replaced jQuery with Fetch API + UX improvements + more TODOs

* Moved namespace because Rider was unhappy

* Major UI improvements when swapping or changing assets, fixed bugs in min trade qty, fixed initial qty after an asset change etc

* Commented out code for easier debugging

* Fixed missing default values

Co-authored-by: Dennis Reimann <mail@dennisreimann.de>

BTCPayServer.Client/Models/AssetPairData.cs

@@ -1,20 +1,31 @@
+using Newtonsoft.Json;
+
 namespace BTCPayServer.Client.Models;
 
+[JsonObject(MemberSerialization.OptIn)]
 public class AssetPairData
 {
     public AssetPairData()
     {
     }
     
-    public AssetPairData(string assetBought, string assetSold)
+    public AssetPairData(string assetBought, string assetSold, decimal minimumTradeQty)
     {
         AssetBought = assetBought;
         AssetSold = assetSold;
+        MinimumTradeQty = minimumTradeQty;
     }
-    
+
+    [JsonProperty]
     public string AssetBought { set; get; }
+
+    [JsonProperty]
     public string AssetSold { set; get; }
 
+    [JsonProperty]
+    public decimal MinimumTradeQty { set; get; }
+
+    
     public override string ToString()
     {
         return AssetBought + "/" + AssetSold;