flutter_desktop: fix resize scale && Pin peer menu bar

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/lang/pl.rs

@@ -342,5 +342,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Use IP Whitelisting", ""),
         ("Network", ""),
         ("Enable RDP", ""),
+        ("Pin menubar", "Przypnij pasek menu"),
     ].iter().cloned().collect();
 }