Should editComment's text parameter be a MarkdownString?

[chrmarti]

Issue Type: Bug

Testing #59278

Since the API is using MarkdownString in Comment#body too. Maybe also rename the parameter to newBody (or similar) that makes it clearer what it is.

VS Code version: Code - Insiders 1.28.0-insider (fe8d9d2, 2018-09-25T07:29:33.175Z)
OS version: Darwin x64 17.7.0

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-4770HQ CPU @ 2.20GHz (8 x 2200)
GPU Status	2d_canvas: enabled checker_imaging: disabled_off flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: enabled rasterization: enabled video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled
Load (avg)	2, 2, 2
Memory (System)	16.00GB (5.66GB free)
Process Argv	--user-data-dir /Users/chrmarti/Development/repos/tmp/user2 --extensions-dir /Users/chrmarti/Development/repos/tmp/ext2
Screen Reader	no
VM	33%

Extensions: none

[RMacfarlane]

Closing since this version of the proposed API has been removed