CSS intellisense does not work in inline styles

[shizengzhou]

Issue Type: Bug

IntelliSense can not be triggered automatically in inline styles, I have to use Ctrl+Space to trigger it.
1.25.1

1.26.1

VS Code version: Code 1.26.1 (493869e, 2018-08-16T18:38:57.434Z)
OS version: Windows_NT x64 10.0.17134

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-4210H CPU @ 2.90GHz (4 x 2893)
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: disabled_software rasterization: enabled video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled
Memory (System)	7.89GB (3.38GB free)
Process Argv	C:\Program Files\Microsoft VS Code\Code.exe
Screen Reader	no
VM	0%

Extensions: none

[octref]

@jrieken

HTML server returns the same result, "style=\"$1\"" for completion item.

• 1.25.1: After getting style="|", typing b would trigger another completion request.
• Now: After getting style="|", typing b does not trigger another completion request.

[jrieken]

This was done purpose because of conflicts with tab when snippets and quick suggestions are active. There is a new setting that controls this: "editor.suggest.snippetsPreventQuickSuggestions": false,

[jrieken]

See #50776 for all the details