fix fullscreen related issues

[wangcheng]

Description

• replace bigscreen with isomorphic-bigscreen which is safe for server-side use
• fix a bug where a player ref is missing
• fix a bug that fullscreen event listeners are mistakenly added to global.
• remove a redundant emitEvent prop

Fixes #15

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[codecov-io]

Codecov Report

Merging #19 into master will increase coverage by 0.16%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master      #19      +/-   ##
==========================================
+ Coverage   53.16%   53.32%   +0.16%     
==========================================
  Files         123      123              
  Lines        1657     1652       -5     
==========================================
  Hits          881      881              
+ Misses        776      771       -5

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

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