docs: update shortcut docs

docs/sources/features/shortcuts.md

@@ -34,6 +34,8 @@ Hit `?` on your keyboard to open the shortcuts help modal.
 - `d` `s`	Dashboard settings
 - `d` `v`	Toggle in-active / view mode
 - `d` `k`	Toggle kiosk mode (hides top nav)
+- `d` `E`	Expand all rows
+- `d` `C`	Collapse all rows
 - `mod+o`	Toggle shared graph crosshair
 
 ### Focused Panel
@@ -42,12 +44,9 @@ Hit `?` on your keyboard to open the shortcuts help modal.
 - `p` `s` Open Panel Share Modal
 - `p` `r` Remove Panel
 
-### Focused Row
-- `r` `c`	Collapse Row
-- `r` `r`	Remove Row
-
 ### Time Range
 - `t` `z`	Zoom out time range
 - `t`	Move time range back
 - `t`	Move time range forward
 
+mod = CTRL on windows or linux and CMD key on Mac