[all]: Add namespaceOverride Value to all Charts that missing it

[KosrenDQ]

Description of the change

Add the capability to override the namespace for each Chart and fixes some value errors in mongodb/rabbitmq-cluster-Operator Chart.

[all]: Add the namespaceOverride Value used in commons to all Charts that it not used yet.

[mongodb]:

• Fix wrong value .Value.imagePullSecret to .Value.global.imagePullSecret in spec.template.spec.imagePullSecret of statefulset-arbiter.yaml
• Fix wrong value .Value.imagePullSecret to .Value.global.imagePullSecret in spec.template.spec.imagePullSecret of statefulset-hidden.yaml
• Fix wrong value .Value.initContainer.Resources to .Value.initContainer.resources in spec.template.spec.initContainers[0] of statefulset-hidden.yaml
• Add missing Value extraInitContainers
• Add missing Value customLivenessProbe
• Add missing Value customReadinessProbe
• Add missing Value customStartupProbe
• Add missing Value config.existingConfigmapKey

[rabbitmq-cluster-Operator]:

• Add Value namespaceOverride to documentation

Benefits

All Charts can now be used in a multi-namespace system, such as with an Umbrella Chart.

Possible drawbacks

Not observed.

Applicable issues

Additional information

Checklist

• Chart version bumped in Chart.yaml according to semver. This is not necessary when the changes only affect README.md files.
• Variables are documented in the values.yaml and added to the README.md
• Title of the pull request follows this pattern [<name_of_the_chart>] Descriptive title
• All commits are signed and verified (required as of January 22, 2026 - see CONTRIBUTING.md)

[KosrenDQ]

I really appreciate that there's an alternative to Bitnami! 😄

[dloewen2]

Hi @KosrenDQ,
thanks for the PR. This will definitely increase the quality of the charts.

I found two instances, where the namespaceOverride did not get included, could you please add them as well?

1. Memcached Chart HttpRoute Resource
2. TimescaleDB Chart Configmap Resource

Other than this the PR looks good to me.

[KosrenDQ]

Hi @dloewen2,

thank you very much!
I have added the two missing overrides.

[dloewen2]

LGTM