[patch] remove pre-install-rbac flag and rename the permission mode to admin mode

[dixitgsathwara]

Description

• rename the permissionMode to adminMode
• enable the --admin-mode is compulsory for 9.2+ version
• remove the --skip-preinstall-rbac flag and update the non-interactive flow
• user who runs mas install command doesn't have cluster admin permission
  • without --no-confirm flag --> get the confirmation prompt ( has your cluster-administrator already applied require permission for your selected admin mode ?) YES --> skip rbac NO --> Fail with message
  • with --no-confirm --> the installation assumes the required RBAC has already been applied by your OpenShift administrator so skip rbac

Guidance for Reviewers

• Before merging this PR, this PR must be merged first:
  [patch] rename permissionMode to adminMode in pre install rbac python-devops#365
• Post merging this PR, please merge this - https://github.ibm.com/maximoappsuite/build-system/pull/1046

Testing

• mas pre-install command

• --admin-mode validation for 9.2+

• mas install in interactive flow, test user with limited permission

• non-interactive(testuser with limited permission) without --no-confirm

• non-interactive(testuser with limited permission) with --no-confirm