When the core references `vscode`, we only want to import the types and never generate a real import (which will fail to load). Use `import type` to better enforce this
* debt - allow extHostSearch in common
* web - implement text search provider
* fix text search
* Update extensions/vscode-api-tests/src/extension.ts
Co-Authored-By: Rob Lourens <roblourens@gmail.com>