vscode loses focus and then no longer allows inserting of citations

[atanasj]

This is two issues, not sure if related so will list them together (initially):

1. When triggering the extension the I am able to find the references and then the extension inserts the citation and focus stays with Zotero.

2. After inserting a number of citations, the citation picker popup allows the citations to be selected, however no citation is inserted into vscode, requiring a restart for vscode and the extension starts working again. This one is hard to replicate but has happened a number of times.

I have the beta version of Zotero installed as per the recommendation by @mblode here.

Please let me know if you need any more info. Thanks for a great extension!

| => sw_vers
ProductName:	Mac OS X
ProductVersion:	10.14.6
BuildVersion:	18G84

| => code --version
1.36.1
2213894ea0415ee8c85c5eea0d0ff81ecc191529
x64

| => Zotero --version
5.0.73-beta.6+871a27509

[Mixpap]

Same problem here in linux, when i switch files, even that the extension window works, it pastes only a blank line. In atom the same package works.

Zotero version 5.0.73

code:
Version: 1.36.1
Commit: 2213894ea0415ee8c85c5eea0d0ff81ecc191529
Date: 2019-07-08T22:55:08.091Z
Electron: 4.2.5
Chrome: 69.0.3497.128
Node.js: 10.11.0
V8: 6.9.427.31-electron.0
OS: Linux x64 4.15.0-55-generic