Fixed IP bans preventing non-banned players from connecting to SQLite-backed servers (#31154)

Fixed IP bans causing server errors with SQLite DB

Content.Server/IP/IPAddressExt.cs

@@ -61,6 +61,12 @@ namespace Content.Server.IP
 
         public static bool IsInSubnet(this System.Net.IPAddress address, System.Net.IPAddress maskAddress, int maskLength)
         {
+            if (maskAddress.AddressFamily != address.AddressFamily)
+            {
+                // We got something like an IPV4-Address for an IPv6-Mask. This is not valid.
+                return false;
+            }
+
             if (maskAddress.AddressFamily == AddressFamily.InterNetwork)
             {
                 // Convert the mask address to an unsigned integer.
@@ -89,7 +95,7 @@ namespace Content.Server.IP
 
                 if (maskAddressBits.Length != ipAddressBits.Length)
                 {
-                    throw new ArgumentException("Length of IP Address and Subnet Mask do not match.");
+                    return false;
                 }
 
                 // Compare the prefix bits.