fix: dont show Controller component when first frame is not ready

[xiaoyuhen]

fix: don't show Controller component when the first frame is not ready

Description

If the user executes seek action when the fist frame is not ready, will throw some error.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[codecov-io]

Codecov Report

Merging #74 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #74   +/-   ##
======================================
  Coverage    51.5%   51.5%           
======================================
  Files         123     123           
  Lines        1722    1722           
======================================
  Hits          887     887           
  Misses        835     835

Impacted Files	Coverage Δ
packages/griffith/src/components/Player/Player.js	0% <ø> (ø)	⬆️

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