refactor: Implement Lazy loading for as many icons as possible

[mfortman11]

Lazy loads icons

Keeps the most used icons eager loaded

Testing:
Check out the network tab and filter by .jsx
Browse the page and notice how icons are now loaded on an as need basis

Also be on the look out for any missing icons

[deon-sanchez]

looks good i only ask for some simple tests.

[lucaseduoli]

The icons are glitching in the sidebar, when you enter the page for the first time. Even though they are already loaded, they glitch out. That's why I added most of the icons to the styleUtils import, in order for them to already load without having a quick loading state. Is it possible to fix that? If not, I would consider making all of the icons of the sidebar not to be lazy loaded, since all are used every time we open Langflow.