Fix three-dot dropdown alignment on dashboard metric cards

- Change align prop from 'center' to 'start' in MetricCardThreeMenuContainer
- This aligns the dropdown to the left/start edge instead of center
- Addresses BUS-1655: Top align three dot dropdown menu on dashboard cards

Co-Authored-By: nate@buster.so <nate@buster.so>

apps/web/src/components/ui/metric/MetricCardThreeMenuContainer.tsx

@@ -26,7 +26,7 @@ export const MetricCardThreeMenuContainer = ({
         isOpen && 'pointer-events-auto block',
         className
       )}>
-      <Dropdown items={dropdownItems} side="left" align="center" onOpenChange={setIsOpen}>
+      <Dropdown items={dropdownItems} side="left" align="start" onOpenChange={setIsOpen}>
         {children}
       </Dropdown>
     </div>