⚠️ Component update: Tree view

[bekah-stephens]

• Inconsistency updates (checklist here)

• .Treenode base component background fill on selected goes beyond the container fill/width - set to fill x hug

• The ‘With action’ boolean is set to an absolute position so it does not auto adjust to the size of the base component width - fix absolute position of action boolean

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Jira Issue: PF-2485

[bekah-stephens]

Moving remaining work to the corresponding "Library theming" Jira ticket