Datastore name is too long

This bug is a backport clone of [Bugzilla Bug 2092811](https://bugzilla.redhat.com/show_bug.cgi?id=2092811). The following is the description of the original bug:
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+++ This bug was initially created as a clone of Bug #1926943 +++

The customer is facing this issue:

I0530 05:19:11.481797 1 vsphere_check.go:220] CheckDefaultDatastore failed: defaultDatastore "FI-HML-DC2-CONT-1" in vSphere configuration: datastore FI-HML-DC2-CONT-1: datastore name is too long: escaped volume path "var-lib-kubelet-plugins-kubernetes.io-vsphere\\x2dvolume-mounts\\x5bFI\\x2dHML\\x2dDC2\\x2dCONT\\x2d1\\x5d\\x2000000000\\x2d0000\\x2d0000\\x2d0000\\x2d000000000000-fi\\x2dhmy\\x2dsas\\x2dprod\\x2dnp868\\x2d\\x2dpvc\\x2d00000000\\x2d0000\\x2d0000\\x2d0000
x2d000000000000.vmdk" must be under 255 characters, got 255

Looks like the bug has resurfaced.