Fix vscode-material-icons path

[cte]

Description

I missed the fact that the icons are packaged under icons/.

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Important

Fixes vscode-material-icons path in ClineProvider.ts by adding icons directory to getUri() calls.

• Path Fix:
  • Corrects vscode-material-icons path in ClineProvider.ts by adding icons directory in getUri() calls at lines 573 and 650.

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