Modern desktop Steam icon

can you make steam modern icon as default icon even cachyos handheld installed on desktop pc's? and the return gaming mode (steamdeck-gaming-return.svg) to light blue color not the dark one. <img width="351" height="198" alt="Image" src="https://github.com/user-attachments/assets/cd7064e4-f02c-4c70-ae71-9f83fecebb29" />