Update keyboard shortcut hints in ObjectTableNavigationButtons for clarity

- Changed the keyboard shortcut hints from 'ALT LEFT' and 'ALT RIGHT' to 'ALT ←' and 'ALT →' respectively, enhancing visual clarity for users.
- This update aligns with the overall goal of improving user experience and accessibility in navigation.

src/components/Dashboard/common/ObjectTableNavigationButtons.jsx

@@ -98,7 +98,7 @@ const ObjectTableNavigationButtons = ({
       <Space size='small'>
         <KeyboardShortcut
           shortcut='alt+arrowleft'
-          hint='ALT LEFT'
+          hint='ALT ←'
           onTrigger={useCallback(() => {
             if (!disabled && !loading && neighbors.previous?._id) {
               handlePrevious()
@@ -113,7 +113,7 @@ const ObjectTableNavigationButtons = ({
         </KeyboardShortcut>
         <KeyboardShortcut
           shortcut='alt+arrowright'
-          hint='ALT RIGHT'
+          hint='ALT →'
           onTrigger={useCallback(() => {
             if (!disabled && !loading && neighbors.next?._id) {
               handleNext()