Type Error when one panel mode is enabled

[slavashvets]

• Version (cloudcmd -v): v6.15.0
• Node Version node -v: v8.0.0
• OS (uname -a on Linux): Linux 879c6c8fa55b 3.10.0-514.el7.x86_64 Node.js 0.7 is no longer provided on travis-ci.org #1 SMP Thu Nov 3 17:15:05 PDT 2016 x86_64 GNU/Linux
• Browser name/version: Chrome 58.0.3029.110 (64-bit)
• Used Command Line Parameters: Default docker params
• Changed Config: "onePanelMode": true,

Steps to reproduce

1. Run docker image (v6.15.0)
2. Enable "One Panel Mode"

Expected behavior

One panel is working with no errors.

Actual behavior

One panel works, but buttons don't work. Error:

Uncaught (in promise) TypeError: Cannot read property 'querySelector' of null
    at Object.t.exports.getByDataName (http://docker/cloudcmd.js:1:55873)
    at Object.t.exports.setOnPanel (http://docker/cloudcmd.js:1:47037)
    at g (http://docker/cloudcmd.js:1:31410)
    at r (http://docker/cloudcmd.js:1:1654)
    at Function.r.series (http://docker/cloudcmd.js:1:2683)
    at http://docker/cloudcmd.js:1:2707
    at http://docker/cloudcmd.js:1:31246
    at g.(anonymous function).then.g.(anonymous function) (http://docker/cloudcmd.js:1:9837)
    at <anonymous>

[coderaiser]

Thank you, fixed with 6706d35.

[coderaiser]

Landed in v6.15.1.