Hi,
Please find attached patch to enable keyboard navigation in dialog.
To allow navigation from one tab pane (bootstrap tab pane) to another one
I have added two new shortcut preferences Dialog tab previous ( shift+control+[ ) and Dialog tab next ( shift+control+] ) for backward and forward tab navigation.
Also all dialog controls (within same tab pane) can be navigated using TAB key.
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Harshal Dhumal
Sr. Software Engineer