fix: typos in src/ and subdirectories (#11727)

Found via codespell

src/flutter.rs

@@ -1980,7 +1980,7 @@ pub(super) fn session_update_virtual_display(session: &FlutterSession, index: i3
             let mut vdisplays = displays.split(',').collect::<Vec<_>>();
             let len = vdisplays.len();
             if index == 0 {
-                // 0 means we cann't toggle the virtual display by index.
+                // 0 means we can't toggle the virtual display by index.
                 vdisplays.remove(vdisplays.len() - 1);
             } else {
                 if let Some(i) = vdisplays.iter().position(|&x| x == index.to_string()) {