[Archived] Move Video Block JS into xmodule/assets refactoring on ES6 import/export

[farhan]

Ticket: #36413

• In this PR we are moving Video Block JS into xmodule/assets as discussed in this readme
• Replacing RequireJS with ES6 import/export

How to test:

1. Run npm run webpack-dev in lms shell (not worker shell but lms shell)
2. Open the Video XBlock in the LMS and check logs in the browser console for the PR working.

JS files refactoring details:

diffchecker can be used (on real-time-diff) to see the accurate refactoring changes.

#	Source JS File (RequireJS pattern)	Destination JS File (Vanilla JS)
1	00_i18n.js	i18n.js
2	00_async_process.js	async_process.js
3	00_iterator.js	iterator.js
4	00_component.js	component.js
5	09_bumper.js	video_bumper.js
6	00_sjson.js	sjson.js
7	08_video_auto_advance_control.js	video_auto_advance_control.js
8	02_html5_hls_video.js	html5_hls_video.js
9	04_video_control.js	video_control.js
10	05_video_quality_control.js	video_quality_control.js
11	00_resizer.js	resizer.js
12	09_completion.js	video_completion_handler.js
13	01_initialize.js	initialize.js
14	02_html5_video.js	html5_video.js
15	03_video_player.js	video_player.js
16	04_video_full_screen.js	video_full_screen.js
17	06_video_progress_slider.js	video_progress_slider.js
18	07_video_volume_control.js	video_volume_control.js
19	08_video_speed_control.js	video_speed_control.js
20	09_events_bumper_plugin.js	events_bumper_plugin.js
21	09_events_plugin.js	events_plugin.js
22	09_play_pause_control.js	play_pause_control.js
23	09_play_placeholder.js	play_placeholder.js
24	09_play_skip_control.js	play_skip_control.js
25	09_poster.js	poster.js
26	09_save_state_plugin.js	save_state_plugin.js
27	09_skip_control.js	skip_control.js
28	09_video_caption.js	video_caption.js
29	10_commands.js	commands.js
30	025_focus_grabber.js	focus_grabber.js
31	035_video_accessible_menu.js	video_accessible_menu.js
32	036_video_social_sharing.js	video_social_sharing.js
33	037_video_transcript_feedback.js	video_transcript_feedback.js
34	095_video_context_menu.js	video_context_menu.js

Child PR's

• Adds further vanilla js files #36531
• Adds further vanilla js files #36537
• Further JS conversions #36547
• Converting Video Block JS into xmodule/assets refactoring on ES6 import/export as vanilla JS #36546

[farhan]

Closing the PR on account of #36595

Following the better approach to refactor after taking experience from it