Ensure the logger doesn't fail to log based on some stacktrace field during json serialization

src/Core/Logger/ExceptionDto.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace Geekbot.Core.Logger;
+
+public struct ExceptionDto
+{
+    public string Message { get; init; }
+    
+    public string InnerException { get; init; }
+    
+    public string Source { get; init; }
+
+    public ExceptionDto(Exception exception)
+    {
+        Message = exception.Message;
+        InnerException = string.IsNullOrEmpty(exception?.InnerException?.ToString()) ? exception?.StackTrace : exception?.InnerException?.ToString();
+        Source = exception.Source;
+    }
+};

src/Core/Logger/GeekbotLogger.cs

@@ -41,7 +41,7 @@ namespace Geekbot.Core.Logger
 
         public bool LogAsJson() => _logAsJson;
 
-        private string CreateLogString(string type, LogSource source, string message, Exception stackTrace = null, object extra = null)
+        private string CreateLogString(string type, LogSource source, string message, Exception exception = null, object extra = null)
         {
             if (_logAsJson)
             {
@@ -51,7 +51,7 @@ namespace Geekbot.Core.Logger
                     Type = type,
                     Source = source,
                     Message = message,
-                    StackTrace = stackTrace,
+                    StackTrace = exception != null ? new ExceptionDto(exception) : null,
                     Extra = extra
                 };
                 return JsonSerializer.Serialize(logObject, _serializerSettings);

src/Core/Logger/LogDto.cs

@@ -1,14 +1,20 @@
 using System;
+using System.Text.Json.Serialization;
 
-namespace Geekbot.Core.Logger
+namespace Geekbot.Core.Logger;
+
+public struct GeekbotLoggerObject
 {
-    public class GeekbotLoggerObject
+    public DateTime Timestamp { get; set; }
-    {
+ 
-        public DateTime Timestamp { get; set; }
+    public string Type { get; set; }
-        public string Type { get; set; }
+    
-        public LogSource Source { get; set; }
+    public LogSource Source { get; set; }
-        public string Message { get; set; }
+    
-        public Exception StackTrace { get; set; }
+    public string Message { get; set; }
-        public object Extra { get; set; }
+    
-    }
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public ExceptionDto? StackTrace { get; set; }
+    
+    public object Extra { get; set; }
 }