enhancement: Update shape of the tangle: star trail

[panteleymonchuk]

Description of change

fixes #892

Type of change

• Enhancement (a non-breaking change which adds functionality)

How the change has been tested

Open visualizer.

Change checklist

Add an x to the boxes that are relevant to your changes, and delete any items that are not.

• My code follows the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• [] I have made corresponding changes to the documentation
• [] I have added tests that prove my fix is effective or that my feature works
• [] New and existing unit tests pass locally with my changes

[VmMad]

I think the shape could be improved a bit, for example when the blocks per seconds is less, the "spray" should be smaller, and bigger if the bps is bigger. Atm it seems it keeps the same size. Also, the position in the BlockState is the finishing position? I think it would be nice to rename this property to something more specific, since we have initPosition too. Maybe currentPosition if it gets updated or finalPosition or targetPosition if it just contains the last position

[VmMad]

Also, for some reason, when I change between tabs in my browser, the position of the blocks are different from the ones before

[panteleymonchuk]

@VmMad @begonaalvarezd @msarcev please, review one more time when you will be available

Here is screencast to show how it looks now
https://github.com/iotaledger/explorer/assets/25872497/746eebc5-39f7-48cb-9210-15876b266ab6

[begonaalvarezd]

💪🏼

please @VmMad lets discuss after christmas if you think there is something that should be improved here