fix: 1476-Video sound keeps playing after closing the popup it's in

[AbdelrahmanDeghedy]

Description

• This is a fix to this issue: Video sound keeps playing after closing the popup it's in #1476
• Added a function that stops the iframe video, and I called it on the play, and close modal buttons.

How Has This Been Tested?

stopVideoAfterPopup.webm

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This change is 

[faucomte97]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @AbdelrahmanDeghedy)

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game/static/game/js/drawing.js line 1020 at r1 (raw file):

  // https://gist.github.com/cferdinandi/9044694
  const video = document.getElementsByClassName("video");
  var iframeSrc = video[0].src;

Can you replace var with let please 🙏 😊

[AbdelrahmanDeghedy]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @AbdelrahmanDeghedy)

game/static/game/js/drawing.js line 1020 at r1 (raw file):

  // https://gist.github.com/cferdinandi/9044694
  const video = document.getElementsByClassName("video");
  var iframeSrc = video[0].src;

Can you replace var with let please 🙏 😊

I have replaced it with a const since it's not mutated.

[faucomte97]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @AbdelrahmanDeghedy)