plot_canvas: In local (debug_mode=True), space into file name create issue in file path for plot-data.js

[Launayl]

• I'm submitting a ...

  • bug report
  • feature request
  • support request => Please do not submit support request here, see note at the top of this template.

• What is the current behavior?
  in plot_canvas function, in local mode(debug_mode=True), space into file name create issue in automatic file path use to find plot-data.js .
  The problem is only in Windows because in Linux you can't have space into file.

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem Avoid reference to other packages

• What is the expected behavior?

• What is the motivation / use case for changing the behavior?

• Possible fixes

• Please tell us about your environment:

  • branch:
  • commit:
  • python version:

[Tanguylo]

Done and tested