Ask questionsIn a notebook (.ipynb file) paste double pastes.

Issue Type: <b>Bug</b>

If I copy text from one cell and paste into another cell it double pastes.

If I cmd+z to undo it undoes one of the two pastes implying the issue is pasting. In .ipynb files, VSC double pastes.

I tried pasting in a .py file with no issue. Likewise pasting in the issue reporter has no issue, just in Jupyter Notebook cells.

I manually restarted VSC and the issue went away. After a while (12 minutes of use) the issue randomly came back when pasting between different notebooks.

The issue seems intermittent coming and going seemingly randomly.

VS Code version: Code 1.45.0 (d69a79b73808559a91206d73d7717ff5f798f23c, 2020-05-07T15:57:33.467Z) OS version: Darwin x64 19.4.0

<details> <summary>System Info</summary>

Item Value
CPUs Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz (12 x 2600)
GPU Status 2d_canvas: enabled<br>flash_3d: enabled<br>flash_stage3d: enabled<br>flash_stage3d_baseline: enabled<br>gpu_compositing: enabled<br>metal: disabled_off<br>multiple_raster_threads: enabled_on<br>oop_rasterization: disabled_off<br>protected_video_decode: unavailable_off<br>rasterization: enabled<br>skia_renderer: disabled_off_ok<br>video_decode: enabled<br>viz_display_compositor: enabled_on<br>viz_hit_test_surface_layer: disabled_off_ok<br>webgl: enabled<br>webgl2: enabled
Load (avg) 2, 2, 2
Memory (System) 16.00GB (0.10GB free)
Process Argv -psn_0_12950617
Screen Reader no
VM 0%

</details><details><summary>Extensions (1)</summary>

Extension Author (truncated) Version
python ms- 2020.5.78807

</details> <!-- generated by issue reporter -->


Answer questions luabud

I'm also reproducing it 100% of the time and I'm on Windows




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