Add a shortcut for "Set speed" on clip

Hey! 👋

## Feature Request

It would be great if we could have a keyboard shortcut for a Set speed on a clip. I’m having a lot of small clips and parts in a video which I need to speed up to 2x or 4x …

## Current Problem

Right now setting speed up is a slow process: “Grab a mouse, right click on Set Speed, select a speed …”.

^ This is really slow and I could be a lot more productive if there would be a shortcut, for Increase/Decrease of a current clip on a timeline.

### Solution

Add two keyboard shortcuts which will allow you to “Increase clip speed” and “Decrease clip speed”. The shortcuts wont require you to select anything via a mouse. They will use a current clip on a timeline where’s the “current playback ticker”.

The shortcuts will allow you to increase/decrease clip speed in the same order as on the Set speed popup = 1.2x, 1.4x, 1.6x ... or in reverse...

Disadvantage:

I'm using mostly 2x or 4x speed ups, that means pressing the shortcut 5-7 times till i get to 2x or 4x (based on current Set Speed options in popup) ... That sucks. :D

However, I’m using the same speed up option on entire video, so if you introduce one more shortcut to “Set latest used clip speed” too, then I could easily apply 2x or 4x to the rest of clips in the video easily in a really fast way.

^ This would be really productivity booster for me.

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Hopefully this will get into the Screen Studio soon!

Thanks and have a nice day! 👋