[JENKINS-73103] Prepare plugin to allow users with overall/manage to manage clouds/pod/container templates

[mikecirioli]

JENKINS-73103

Initial work to allow users with Overall/Manage to configure clouds (and pod/container templates). This PR is focused on adding Overall/Manage support for kubernetes clouds and pod templates. A separate PR against jenkins core is needed in order to make the clouds management-link visible.

Testing done

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1. Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!

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[Vlatombe]

Relevant CI failure

Caused by: org.xml.sax.SAXParseException; systemId: file:/home/jenkins/agent/workspace/lugins_kubernetes-plugin_PR-1546/target/classes/org/csanchez/jenkins/plugins/kubernetes/KubernetesCloud/new.jelly; lineNumber: 39; columnNumber: 33; The prefix ":l" for element ":l:hasAdministerOrManage" is not bound.
	at java.xml/com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:204)

[amuniz]

A separate PR against jenkins core is needed in order to make the clouds management-link visible

Was this not needed finally?