Sidebar and dialog improvements#308

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Jeremy-Walton wants to merge 3 commits intomainfrom

sidebar-and-dialog-improvements

Commits on Dec 30, 2025

include top border on navbar so it can be used in the footer without issue
Jeremy-Walton
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Re-implement modal for the dialog using modern approaches. Update documentation to reflect
Jeremy-Walton
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Include left border on sidebar so it shows when used on the right
Jeremy-Walton
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