docs: remove 'autoConnect' on solana demos

[gin-lsl]

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💡 Background and solution

去掉 Solana demo 中的 autoConnect 配置，避免偶尔会出现打开此页面时，频繁弹出钱包插件的问题。

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Latest commit: ffd2b5a

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (827024c) to head (ffd2b5a).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #898   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          708       708           
  Lines        21461     21461           
  Branches      1214      1214           
=========================================
  Hits         21461     21461           

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