.mjs file format break string template

[cjbd]

copied from 80052

Issue Type: Bug

hello,

for below code:

console.log(`Today : ${todaysDate}`);

when using clang-format tool, it changes to

console.log(`Today : $ { todaysDate }`);

which breaks string template

VS Code version: Code 1.37.1 (f06011ac164ae4dc8e753a3fe7f9549844d15e35, 2019-08-15T16:17:55.855Z) OS version: Windows_NT x64 10.0.16299

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz (4 x 2496)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: disabled_software oop_rasterization: disabled_off protected_video_decode: unavailable_off rasterization: enabled skia_deferred_display_list: disabled_off skia_renderer: disabled_off surface_synchronization: enabled_on video_decode: enabled viz_display_compositor: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	7.41GB (2.54GB free)
Process Argv
Screen Reader	no
VM	0%

Extensions (6)

Extension	Author (truncated)	Version
vscode-eslint	dba	1.9.1
python	ms-	2019.8.30787
cpptools	ms-	0.25.0
vscode-typescript-tslint-plugin	ms-	1.2.2
debugger-for-chrome	msj	4.11.7
clang-format	xav	1.9.0