* feat: enhance table column selection and sorting functionality
* fix: update key binding for sorting selected column to Ctrl+O
* remove unused setSelectedColIdx method and sortIndicator function
* test: update expected hints count in various view tests
* test: update expected hints count in TestServiceNew
* fix: update keyboard handling for column selection to use Shift key
* refactor: streamline column selection logic and initialize selected column based on current sort
* fix: change key binding for sorting selected column from Ctrl+O to Shift+S
* test: update expected hints count in help, namespace, pod, and PVC tests
6bc67e97f4