doc: fix loadtxoutset example #30973

1. 
   fanquake commented at 8:45 am on September 26, 2024: member

   The current order is incorrect:

   0./build/src/bitcoin-cli loadtxoutset -rpcclienttimeout=0 utxo-840000.dat
   1error code: -1
   2error message:
   3loadtxoutset "path"
   

2. doc: fix loadtxoutset example

   The current order is incorrect:
   ```bash
   ./build/src/bitcoin-cli loadtxoutset -rpcclienttimeout=0 utxo-840000.dat
   error code: -1
   error message:
   loadtxoutset "path"
   ```

   286725168a
3. 
   DrahtBot commented at 8:45 am on September 26, 2024: contributor

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4. DrahtBot added the label Docs on Sep 26, 2024
5. 
   maflcko commented at 8:58 am on September 26, 2024: member

   review ACK 286725168ae0309e427b1204a0724a4ba7cbe860
6. theStack approved
7. 
   theStack commented at 9:25 am on September 26, 2024: contributor

   ACK 286725168ae0309e427b1204a0724a4ba7cbe860
8. BrandonOdiwuor approved
9. 
   BrandonOdiwuor commented at 10:24 am on September 26, 2024: contributor

   ACK 286725168ae0309e427b1204a0724a4ba7cbe860
10. fanquake merged this on Sep 26, 2024
11. fanquake closed this on Sep 26, 2024

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12. fanquake deleted the branch on Sep 26, 2024

Contributors
fanquake DrahtBot maflcko theStack BrandonOdiwuor

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