Update ide-v2-downloading-and-installing.md

[braxuss-eu]

Install libsecret and warn about different boards

What This PR Changes

• I wrote down the troubleshooting I needed to do myself in order to run Arduino IDE on Ubuntu.

Contribution Guidelines

• [✅] I confirm that I have read the contribution guidelines and comply with them.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[jcarolinares]

Hello @braxuss-eu

Thank you so much for your pull request. Can you provide us more information about the Linux distro you are using? , your fix seems interesting!

[braxuss-eu]

Hello @jcarolinares!
I'm using "Ubuntu 22.04.5 LTS" on WSL.