[SUG][PLAYER] Suggestions for menu icons

[Proxima]

Firstly, now that it's decided that the save requirement icon will use the Crystal exit, the release rate icon should use the Crystal trapdoor to match.

Secondly, I just noticed this, but the hourglass icon has a little sand in its lower half, while the upper half is full. The falling of sand would obviously leave some empty space in the upper half. (The in-game icon gets this right.)

[WillLem]

Updated graphics, as suggested.

EDIT: Locked RR now also updated

[namida]

Integrated in commit 10c1e97, and will be included in V12.10.1.