Add missing gettext into vm reconfigure dialog

[mzazrivec]

oVirt provider -> its VMs -> select a VM -> reconfigure VM

[miq-bot]

Checked commits mzazrivec/manageiq-ui-classic@249b083~...84e5df7 with ruby 2.3.3, rubocop 0.52.0, haml-lint 0.20.0, and yamllint 1.10.0
2 files checked, 1 offense detected

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• 💣 💥 🔥 🚒 - Linter/Haml - Linter::Haml STDERR:

warning: parser/current is loading parser/ruby23, which recognizes
warning: 2.3.5-compliant syntax, but you are running 2.3.3.
warning: please see https://github.com/whitequark/parser#compatibility-with-ruby-mri.