Add a switch to disable Management Frame Protection (802.11w)

In the case of WPA3 encryption Management Frame Protection is enabled
by default in OpenWrt.

But in some cases, it causes trouble with particular devices that
fails to connect to WiFi Access Point - see:
https://forum.turris.cz/t/turris-omnia-wifi-health/15704/15

src/common/WiFiSettings/WiFiForm.js

@@ -65,6 +65,7 @@ DeviceForm.propTypes = {
         guest_wifi: PropTypes.object.isRequired,
         encryption: PropTypes.string.isRequired,
         available_bands: PropTypes.array.isRequired,
+        "80211w": PropTypes.bool.isRequired,
     }),
     formErrors: PropTypes.object.isRequired,
     setFormValue: PropTypes.func.isRequired,
@@ -102,7 +103,7 @@ function DeviceForm({
                 switchHeading
                 {...props}
             />
-            {formData.enabled ? (
+            {formData.enabled && (
                 <>
                     <TextInput
                         label="SSID"
@@ -142,7 +143,7 @@ function DeviceForm({
                         {...props}
                     />
 
-                    <CheckBox
+                    <Switch
                         label={_("Hide SSID")}
                         helpText={HELP_TEXTS.hidden}
                         checked={formData.hidden}
@@ -220,6 +221,25 @@ function DeviceForm({
                         {...props}
                     />
 
+                    {(formData.encryption === "WPA3" ||
+                        formData.encryption === "WPA2/3") && (
+                        <Switch
+                            label={_("Disable Management Frame Protection")}
+                            helpText={_(
+                                "In case you have trouble connecting to WiFi Access Point, try disabling Management Frame Protection."
+                            )}
+                            checked={formData["80211w"]}
+                            onChange={setFormValue((value) => ({
+                                devices: {
+                                    [deviceIndex]: {
+                                        "80211w": { $set: value },
+                                    },
+                                },
+                            }))}
+                            {...props}
+                        />
+                    )}
+
                     {hasGuestNetwork && (
                         <WifiGuestForm
                             formData={{
@@ -232,8 +252,8 @@ function DeviceForm({
                         />
                     )}
                 </>
-            ) : null}
+            )}
-            {divider ? <hr /> : null}
+            {divider && <hr />}
         </>
     );
 }