robot version search not working

[ivicman]

Describe the bug Search function for to query for a specific robot versions is not implemented. This is a problem because all robot versions are stored with the same name.

To Reproduce ** Two different robots version should be already loaded. Steps to reproduce the behavior:

1. Go to Robot Framework view http://0.0.0.0:8000/sources/robot/
2. Click on the Search Textbox
3. Enter any existing robot version

Expected behavior all matches to a specific robot version should be displayed

Screenshots

Desktop (please complete the following information):

• OS: macOS 10.15
• Browser chrome
• Version 83.0.4103.116

Additional context Add any other context about the problem here.

[Grixtli]

duplicated of #321