Nebula: Fix nebula auto connect (#6899)

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## PR-Codex overview
This PR modifies the `NebulaConnectButton` component by adding an `autoConnect` prop set to `false`, clarifying that an `AutoConnect` feature is already implemented at the root layout with an AA configuration.

### Detailed summary
- Added `autoConnect={false}` prop to the `NebulaConnectButton` component.
- Included a comment indicating that an `AutoConnect` is already present in the root layout with AA configuration.

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Author: MananTank

apps/dashboard/src/app/nebula-app/(app)/components/NebulaConnectButton.tsx

@@ -92,6 +92,8 @@ export const NebulaConnectWallet = (props: {
         className: props.detailsButtonClassName,
       }}
       chains={allChainsV5}
+      // we have an AutoConnect already added in root layout with AA configuration
+      autoConnect={false}
     />
   );
 };