[UUF] Fix incorrect variable names in Console.WriteLine for Boolean code examples (#49439)

Author: Copilot

docs/fundamentals/runtime-libraries/snippets/System/Boolean/Overview/csharp/binary1.cs

@@ -14,7 +14,7 @@ public static void Main()
             Console.WriteLine($"Binary value:   {value} ({GetBinaryString(value)})");
             // Restore the flag from its binary representation.
             bool newFlag = BitConverter.ToBoolean(new Byte[] { value }, 0);
-            Console.WriteLine($"Restored value: {flag}{Environment.NewLine}");
+            Console.WriteLine($"Restored value: {newFlag}{Environment.NewLine}");
         }
     }
 

docs/fundamentals/runtime-libraries/snippets/System/Boolean/Overview/csharp/size1.cs

@@ -20,19 +20,19 @@ public static void Main()
          Console.WriteLine($"Size of BoolStruct: {sizeof(BoolStruct)}");
          Console.WriteLine("Field offsets:");
          Console.WriteLine($"   flag1: {(bool*) &b.flag1 - addr}");
-         Console.WriteLine($"   flag1: {(bool*) &b.flag2 - addr}");
-         Console.WriteLine($"   flag1: {(bool*) &b.flag3 - addr}");
-         Console.WriteLine($"   flag1: {(bool*) &b.flag4 - addr}");
-         Console.WriteLine($"   flag1: {(bool*) &b.flag5 - addr}");
+         Console.WriteLine($"   flag2: {(bool*) &b.flag2 - addr}");
+         Console.WriteLine($"   flag3: {(bool*) &b.flag3 - addr}");
+         Console.WriteLine($"   flag4: {(bool*) &b.flag4 - addr}");
+         Console.WriteLine($"   flag5: {(bool*) &b.flag5 - addr}");
       }
    }
 }
 // The example displays the following output:
 //       Size of BoolStruct: 5
 //       Field offsets:
 //          flag1: 0
-//          flag1: 1
-//          flag1: 2
-//          flag1: 3
-//          flag1: 4
+//          flag2: 1
+//          flag3: 2
+//          flag4: 3
+//          flag5: 4
 // </Snippet14>

docs/fundamentals/runtime-libraries/snippets/System/Boolean/Overview/vb/binary1.vb

@@ -13,7 +13,7 @@ Module Example1
                            GetBinaryString(value))
             ' Restore the flag from its binary representation.
             Dim newFlag As Boolean = BitConverter.ToBoolean({value}, 0)
-            Console.WriteLine("Restored value: {0}", flag)
+            Console.WriteLine("Restored value: {0}", newFlag)
             Console.WriteLine()
         Next
     End Sub