[IPC Library: Search] TypeError: Cannot read property 'then' of null

[bpasero]

• VSCode Version: 1.14 (insiders)
• OS Version: macOS

Steps to Reproduce:

1. vscode workspace
   2.search for openFileFolderPicker|openFilePicker|openFolderPicker regex search

[IPC Library: Search] TypeError: Cannot read property 'then' of null
    at RipgrepParser.<anonymous> (/Users/bpasero/Development/Microsoft/vscode/out/vs/workbench/services/search/node/ripgrepTextSearch.js:64:25)
    at emitOne (events.js:96:13)
    at RipgrepParser.emit (events.js:188:7)
    at RipgrepParser.onResult (/Users/bpasero/Development/Microsoft/vscode/out/vs/workbench/services/search/node/ripgrepTextSearch.js:260:18)
    at RipgrepParser.handleDecodedData (/Users/bpasero/Development/Microsoft/vscode/out/vs/workbench/services/search/node/ripgrepTextSearch.js:197:30)
    at RipgrepParser.handleData (/Users/bpasero/Development/Microsoft/vscode/out/vs/workbench/services/search/node/ripgrepTextSearch.js:168:18)
    at Socket.<anonymous> (/Users/bpasero/Development/Microsoft/vscode/out/vs/workbench/services/search/node/ripgrepTextSearch.js:83:37)
    at emitOne (events.js:101:20)
    at Socket.emit (events.js:188:7)
    at readableAddChunk (_stream_readable.js:176:18)

[roblourens]

I think the glob.ts change here: dd9ebe1, parseToAsync will now return 'null' instead of Promise.as(null). cc @mattbierner