style(Options): 优化条件语句的代码格式以提高可读性

将单行条件语句改为多行格式，增加代码块的大括号，使代码结构更清晰易读

Author: AlianBlank

GameFrameX.Foundation.Options/OptionsBuilder.cs

@@ -363,7 +363,10 @@ private Dictionary<string, object> GetEnvironmentVariables()
             // 处理环境变量
             foreach (var key in envVars.Keys)
             {
-                if (key == null) continue;
+                if (key == null)
+                {
+                    continue;
+                }
 
                 var keyStr = key.ToString();
                 var value = envVars[key]?.ToString();

GameFrameX.Foundation.Options/OptionsDebugger.cs

@@ -286,15 +286,23 @@ static string TruncPadDisplay(string s, int width)
                 int rw = wide ? 2 : 1;
                 if (w + rw > width)
                 {
-                    if (width > 1) sb.Append('…');
+                    if (width > 1)
+                    {
+                        sb.Append('…');
+                    }
+
                     break;
                 }
 
                 sb.Append(rune.ToString());
                 w += rw;
             }
 
-            while (GetDisplayWidth(sb.ToString()) < width) sb.Append(' ');
+            while (GetDisplayWidth(sb.ToString()) < width)
+            {
+                sb.Append(' ');
+            }
+
             return sb.ToString();
         }
 
@@ -329,7 +337,11 @@ static List<string> WrapToDisplayLines(string s, int width)
 
                 if (w + rw > width)
                 {
-                    while (GetDisplayWidth(sb.ToString()) < width) sb.Append(' ');
+                    while (GetDisplayWidth(sb.ToString()) < width)
+                    {
+                        sb.Append(' ');
+                    }
+
                     lines.Add(sb.ToString());
                     sb.Clear();
                     w = 0;
@@ -340,7 +352,11 @@ static List<string> WrapToDisplayLines(string s, int width)
             }
 
             // 收尾：加入最后一行，并填充到指定宽度
-            while (GetDisplayWidth(sb.ToString()) < width) sb.Append(' ');
+            while (GetDisplayWidth(sb.ToString()) < width)
+            {
+                sb.Append(' ');
+            }
+
             lines.Add(sb.ToString());
             if (lines.Count == 0)
             {