fix: handle the KubernetesClientException during the stop workspace role provisioning

[ibuziuk]

What does this PR do?

fix: handle the KubernetesClientException during the stop workspace role provisioning

Screenshot/screencast of this PR

What issues does this PR fix or reference?

eclipse-che/che#21331

How to test this PR?

Image quay.io/ibuziuk/che-server:stop-role-catch

logs during provisioning with edit rights for user - oc adm policy add-role-to-user edit "${USER}"

022-04-12 12:26:57,183[main] [INFO ] [o.e.c.c.metrics.MetricsServer 46] - Metrics server started at port 8087 successfully
12-Apr-2022 12:26:57.814 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/home/user/eclipse-che/tomcat/webapps/api.war] has finished in [32,594] ms
12-Apr-2022 12:26:57.816 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [/home/user/eclipse-che/tomcat/webapps/swagger.war]
12-Apr-2022 12:26:58.088 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/home/user/eclipse-che/tomcat/webapps/swagger.war] has finished in [272] ms
12-Apr-2022 12:26:58.093 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
12-Apr-2022 12:26:58.104 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [39298] milliseconds
2022-04-12 12:34:12,819[io-8080-exec-10] [WARN ] [tStopWorkspaceRoleConfigurator 90] - Stop workspace Role and RoleBinding will not be provisioned to the 'openshift-operators' namespace. 'che.workspace.stop.role.enabled' property is set to 'true', Failure executing: GET at: https://10.217.4.1/apis/authorization.openshift.io/v1/namespaces/user1-devspace/roles/workspace-stop. Message: Forbidden!Configured service account doesn't have access. Service account may have been revoked. roles.authorization.openshift.io "workspace-stop" is forbidden: User "user1" cannot get resource "roles" in API group "authorization.openshift.io" in the namespace "user1-devspace"

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.