- Added icons and descriptions for modifiers in the modifiers list

- Added a custom icon for the Investor and Investment Algorithm traits.
- Added a custom icon for the planet modifier Trade Hub Policy.

- Optimization of certain conditions for the Investor and Investment Algorithm traits
- Bug fix for compatibility issues between the Investment Algorithm and Virtual traits
- Added stars among celestial bodies that can receive a deposit of 2 trade value thanks to the Resource Survey tradition

- Bug fixes

- The Investor trait no longer provides 5 societal research for all pops but instead gives 2 societal research for clerks.
- Several adjustments have been made to globally nerf traders, as they were too effective.
- In the Commerce tradition tree:
- Modified the deposits generated on celestial bodies.
- There is now only a 50% chance that this will occur.
- Deposits will only appear on uncolonizable planets.
- Added a popup at the end of the Titan Project to notify you that it's completed.
- Fixed a bug in the ethic civics that wasn't applying the trade boost to pops.