Harmonize quick action icons (#31784)

Just ensuring they're more harmonized in size, stroke width, and overall
dimensions. Adding here two new "play" icons, too, that will be used in
the context of the debugger.

<img
src="https://github.com/user-attachments/assets/79bcf0b0-e995-4c8e-9c78-0aba32f42f2d"
width="400" />

Release Notes:

- N/A

crates/icons/src/icons.rs

@@ -179,6 +179,8 @@ pub enum IconName {
     PhoneIncoming,
     Pin,
     Play,
+    PlayAlt,
+    PlayBug,
     Plus,
     PocketKnife,
     Power,