fix: rm default to video

[imsergiy]

PR checklist

Please tick all of the below (if a certain item is not required for this PR please tick the box anyway)

Docs

• [ ] If you added new code; is it self documenting? (all the variable names clear, comments added where appropriate)
• [ ] If you touched existing code; did you refactor existing naming, added comments where necessary?

Tests

• [ ] If your ticket adds new functionality; have you added unit tests to verify behaviour?
• [ ] If your ticket alters user interaction with the UI; have you added integration tests?
• [ ] Do your tests check for every convievable user behabviour? (all behaviours the user can perform)

Typing

• [ ] If you added new code; have you added typing?
• [ ] If you touched existing code; have you improved its typing?

Styling

• [ ] If new styles were created; Did you refactor/add more styles in css-in-js style?
• [ ] Are all fonts, sizes, colours, margins, paddings in line with designs?
• [ ] Did you perform a visual comparison of the implementation with the designs?

[codecov[bot]]

Codecov Report

Merging #355 (9a66b5c) into master (b3c46eb) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #355   +/-   ##
=======================================
  Coverage   68.08%   68.08%           
=======================================
  Files          66       66           
  Lines        1523     1523           
  Branches      234      234           
=======================================
  Hits         1037     1037           
  Misses        486      486           

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[imsergiy]

Addresses https://github.com/jina-ai/dashboard/issues/351

[pswu11]

are we ready to merge this? @imsergiy