Fix conatiner UI image build (#577) (#578)

(cherry picked from commit 6411acc)

Co-authored-by: Marek Libra <marek.libra@gmail.com>

Author: flaper87

Makefile

@@ -1,6 +1,6 @@
 CI_FOLDER = images
 PIPE_IMAGE ?= quay.io/ztpfw/pipeline
-UI_IMAGE = quay.io/ztpfw/ui
+UI_IMAGE ?= quay.io/ztpfw/ui
 BRANCH ?= $(shell git branch --show-current | tr '[:upper:]' '[:lower:]' | tr '\/' '-')
 HASH := $(shell git rev-parse HEAD)
 RELEASE ?= latest

images/Containerfile.UI

@@ -1,5 +1,6 @@
 FROM registry.access.redhat.com/ubi8/nodejs-16:latest as builder
 USER root
+RUN npm install -g corepack
 RUN corepack enable yarn
 
 WORKDIR /app

ui/frontend/src/components/DownloadSshKeyPage/__snapshots__/DownloadSshKeyPage.test.tsx.snap

@@ -404,6 +404,11 @@ exports[`DownloadSshKeyPage can render 1`] = `
                     Danger alert:
                   </span>
                   Incorrect SSH key secret
+                </h4>
+                <div
+                  class="pf-c-alert__description"
+                >
+                  The secret with ssh private key does not meet the required structure.
                    
                   <button
                     aria-disabled="false"
@@ -415,8 +420,7 @@ exports[`DownloadSshKeyPage can render 1`] = `
                   >
                     Try again
                   </button>
-                </h4>
-                
+                </div>
               </div>
             </div>
             <div