Revisit highlights as per updates to style guide

[Gawidev]

Is there an existing issue outlining your improvement?

• I have searched the existing issues and my improvement has not been raised yet.

What would you like to see added and/or changed?

Ive taken a look through the code editor section of the current style guide, and noticed a few differences with the current Jetbrains Rider themes. When inquiring in the discord, I was informed this was not intended, so I will document them here.

Syntax	Current Value	Style Guide
Code Comments	Overlay 0	Overlay 2
Active Line Number	Overlay 1	Lavender
Search BG	Non-palette color	Teal*
Active Search BG	Base	Red*

*I was told these should be at 10% opacity

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On another note, I've noticed a particular impracticality due to the chosen "Unused Code" color being Overlay 2 (same as the current "Braces, Delimiters" color). This means that it isn't currently possible to visually confirm that a lone pair of braces is "redundant code" or not. Personally, I would think changing the color to Overlay 0 would accentuate the difference and more appropriately emphasize the represented purpose of the syntax, and would be curious to hear any thoughts on the matter.

Furthermore, it seems that the Subtext 1 & 2 colors are not used anywhere in the Editor Color Scheme. This may be more opinionated, but I would like to suggest potentially using them to differentiate between local variables, fields, properties, and events. Usually, naming conventions tend to serve this purpose, but the subtle differences in text color might be a nice intuition-guiding touch, while still being similar enough to represent the same group of Instance Field/Identifier syntax elements.

Once again, just some thoughts, thanks regardless for the lovely theme implementation. 🐈‍⬛