[Bug] Open WiFi networks cannot be connected to

[LucHeart]

Pre-submission checklist

• [X] I checked that no other Bug Report describing my problem exists.
• [X] I am running the latest stable or prerelease firmware.
• [X] My board is on the list of maintained boards.
• [X] I accept that this issue may be closed if any of the above are found to be untrue.

Board

D1 Mini

Firmware version

1.0.0

Flashing method

xxx

Describe what happened as precisely as possible.

Tried to connect the ESP to a open wifi network.

Describe what you expected to happen instead.

Open networks should be able to be connected to

In as much detail as possible, describe the exact steps you took to make the problem appear.

• Have a WiFi Network with no password (open)
• Try to connect to it from the captive portal
• Clicking the button does nothing
• Serial-log reveals error

Other remarks

[642589][E][WiFiNetworkSaveCommand.cpp:26] HandleWiFiNetworkSaveCommand(): [LocalMessageHandlers] WiFi message is missing required properties

[LucHeart]

In addition, it also does not work over serial command. E.g.

> networks [{"ssid": "Luc-Test", "password": ""}]
$SYS$|Error|Invalid argument (missing ssid or password)

> networks [{"ssid": "Luc-Test", "password": "dfsd"}]
[859176][I][SerialInputHandler.cpp:208] _handleNetworksCommand(): [SerialInputHandler] Adding network to config Luc-Test

[hhvrc]

This is not a bug, it's a feature yet to be implemented

[LucHeart]

it errors, therefor its a bug

[LucHeart]

it also worked 0.8.0 so it was a bug introduced with 1.0.0