AY-6975 Consolidate retimes computation.

[robin-ynput]

Changelog Description

help resolve ynput/ayon-hiero#29
help resolve ynput/ayon-flame#28

• FreezeFrame does not work due to wong available media range boudary computation
• Negative speed is not always accurate
• TimeWrap:
  • default setup seems to go through OK
  • when length attribute is used/animated publish does got go through because the retime operation is expressed as otio.AnyVector which is none-serializable by integrate asset plugin
  • when input frame is not animated (freeze frame if I'm correct), it fails with an index error during otio subset collect.
• LinearTimeWarp produce correct output clip (tried speed = 0.5 and speed = 2), retime information can be properly gathered from Nuke.
• Retiming is not properly applied on reviewable.

Additional info

This needs to be tested alongside:

• More consolidations on Hiero OTIO exporter ayon-hiero#40 (hiero)
• More consolidations on Flame OTIO exporter ayon-flame#47 (flame)

Testing notes:

1. Run the automated tests
   .\tools\manage.ps1 run pytest .\tests\

[ynbot]

Task linked: AY-6975 Broken retiming calculation

[jakubjezek001]

Tested current dev and all is passing fine

===================================== 28 passed, 17 warnings in 1.11s =====================================