Fix DNS resolv in InfluxDB

[barbudor]

Description:

Related issue (if applicable): fixes #18015

InfluxDB was using (indirectly) Arduino's Wifi.getHostByName() which seems to create some issues with Tasmota recent changes in DNS.
This change use Tasmota's WifiGetHostByName() which solve some delays in connection.

Checklist:

• The pull request is done against the latest development branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works with Tasmota core ESP8266 V.2.7.4.9
• The code change is tested and works with Tasmota core ESP32 V.2.0.7
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass

[barbudor]

There are still things that are not clear on the behavior of the httpClient