Page Up/Down doesn't work correctly in notebook editor cells

[ShafinKhadem]

Issue Type: Bug

1. Create a notebook file.
2. Create a cell which is large enough to overflow screen.
3. Try PgDown and PgUp

Instead of going one page down in PgDown, cursor goes to end of cell

Does this issue occur when all extensions are disabled?: Yes

VS Code version: Code 1.63.2 (899d46d, 2021-12-15T09:39:46.686Z)
OS version: Linux x64 5.13.0-22-generic snap
Restricted Mode: No

System Info

Item	Value
CPUs	AMD Ryzen 3 5300U with Radeon Graphics (8 x 2842)
GPU Status	2d_canvas: unavailable_software gpu_compositing: disabled_software multiple_raster_threads: enabled_on oop_rasterization: disabled_off opengl: disabled_off rasterization: disabled_software skia_renderer: enabled_on video_decode: disabled_software vulkan: disabled_off webgl: unavailable_software webgl2: unavailable_software
Load (avg)	2, 1, 1
Memory (System)	7.12GB (1.21GB free)
Process Argv	--no-sandbox --force-user-env --unity-launch --crash-reporter-id f9ef0483-9e99-46a3-9f8c-1e6a71b29e0e
Screen Reader	no
VM	0%
DESKTOP_SESSION	plasma
XDG_CURRENT_DESKTOP	KDE
XDG_SESSION_DESKTOP	KDE
XDG_SESSION_TYPE	x11

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