Lens downloads kubectl binary again and again

[eXtrem0us]

Describe the bug
Lens Downloads kubectl Binary, everytime. Even when it already exists and works correctly.

To Reproduce
Steps to reproduce the behavior:

1. Opening a pod shell in Lens (it starts downloading)
2. Opening a ConfigMap in Lens
3. Opening Shell for another Pod in Lens (it starts downloading kubectl again)

Expected behavior
Downloading kubectl binary, just once

Environment (please complete the following information):

• Lens Version: 3.4.0.20200509.5
• OS: Debian Linux 10 Buster
• Installation method: Appimage

Logs:
When you run the application executable from command line you will see some logging output. Please paste them here:

error: Kubectl md5sum 22488ce43ce9c0f3dd67c146a8ef002a does not match the remote etag 5e6ac2ad-2901820, unlinking and downloading again
info: Downloading kubectl 1.15.11 from https://mirror.azure.cn/kubernetes/kubectl/v1.15.11/bin/linux/amd64/kubectl to /home/mehdi/.config/Lens/binaries/kubectl/1.15.11/kubectl