[app:elasticsearch] Spaces in elastic user password is not supported

[jmaupetit]

Bug Report

Expected behavior/code

Any character in the elasticsearch user password should be supported.

Actual Behavior

ES node authentication fails when the elastic user has a space in its password.

Steps to Reproduce

1. Add a space in ELASTIC_PASSWORD secret value.
2. Boot the ES cluster
3. ES pods should never reach the ready status

Environment

• Arnold version:6.6.0