Inappropriate MQTT Connection Attempt even when WiFi:STA Fails, V0.19

[ForrestErickson]

Describe the bug
A clear and concise description of what the bug is.
Short Summary of the expected behavior: When WiFi not available, do not try MQTT.
Short Summary of the buggy behavior: Serial report shows When WiFi not available, was trying to connect MQTT.

See report in the V0.19 regression testing near bottom of this issue
See; #82

From issue #82
The serial port shows that even thought the WiFI:STA (station connection) failed, the firmware is attempting an MQTT connection. This is another kind of error. Will make new bug report.

08:20:00.271 -> Connecting to WiFi: VRX
08:20:00.271 -> E (669915) wifi:sta is connecting, return error
08:20:00.271 -> Failed to connect WiFi.
08:20:00.271 -> Attempting MQTT connection...failed, rc=-2Attempting MQTT connection...failed, rc=-2Attempting MQTT connection...failed, rc=-2failed to reconnect!
08:20:09.584 -> Publish RSSI: 0.00
08:20:09.584 -> Device connected at IPadderss: 0.0.0.0