Extension search doesn't work for anything with a space (and other inconsistencies)

[kevcunnane]

Issue Type: Bug

• Search for SQL and you'll see most extensions
  

• Search for SQL Server and none will show, not even SQL Server 2019
  

• Search for search and you'll see Redgate extension
  

• Search for Redgate and nothing shows up.

Azure Data Studio version: azuredatastudio 1.3.1 (9ca6200, 2017-12-15T12:00:00.000Z)
OS version: Darwin x64 18.2.0

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 (0.31GB free)
Process Argv	/Users/kevcunnane/projects/azuredatastudio/.build/electron/Azure Data Studio.app/Contents/MacOS/Electron . --debugBrkPluginHost=13047 --debugId=cdb9af29-cb9a-4a3b-b629-2dc3a69e301e --extensionDevelopmentPath=/Users/kevcunnane/projects/SqlOpsStudioExtensions/extensions/aris
Screen Reader	no
VM	0%

Extensions: none

[alanrenmsft]

this has been fixed for April release.