`Copy Image` command in markdown preview editor is invalid and an error is reported.

Type: Bug

1. Open any project and open a markdown file containing images.
2. Open Preview
3. Right-click the image position in the preview and select Copy Image

VS Code version: Code - Insiders 1.87.0-insider (Universal) (00124e9e5830e3efc897db71c781899f8a676295, 2024-02-16T16:39:24.006Z) OS version: Darwin x64 23.3.0 Modes:

Item	Value
CPUs	Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz (12 x 2600)
GPU Status	2d_canvas: enabledcanvas_oop_rasterization: disabled_offdirect_rendering_display_compositor: disabled_off_okgpu_compositing: enabledmultiple_raster_threads: enabled_onopengl: enabled_onrasterization: enabledraw_draw: disabled_off_okskia_graphite: disabled_offvideo_decode: enabledvideo_encode: enabledwebgl: enabledwebgl2: enabledwebgpu: enabled
Load (avg)	13, 13, 13
Memory (System)	16.00GB (1.31GB free)
Process Argv	--crash-reporter-id df3c396f-6ac7-418f-b02a-fccbcca2579e
Screen Reader	no
VM	0%

Extension	Author (truncated)	Version
vscode-language-pack-zh-hans	MS-	1.85.2024021409

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