Enable orderless for company-search-mode.

[hongyi-zhao]

The company-search-mode can search completion candidates incrementally, as shown below:

In the above screenshot, I first input doc, then run the company-search-candidates command on the completion candidates to search them incrementally, taking an example by string cla here. But this method only let me filter the candidates by a non-space string. I want to search the candidates with orderless based on multiple space-separated substrings, just as the thing done in minibuffer.

Is this possible? Any hints will be greatly appreciated.

Regards, HZ