Fix `thread::catch_panic` documentation to mention its return value on success
Fix `thread::catch_panic` documentation to mention its return value on success

Fixes #27027.

zubron/rust,graydon/rust,pshc/rust,GBGamer/rust,dwillmer/rust,GBGamer/rust,l0kod/rust,zubron/rust,jashank/rust,vhbit/rust,l0kod/rust,pshc/rust,aidancully/rust,aidancully/rust,pshc/rust,jashank/rust,l0kod/rust,zubron/rust,graydon/rust,graydon/rust,jashank/rust,jroesch/rust,pshc/rust,l0kod/rust,dwillmer/rust,jashank/rust,vhbit/rust,pshc/rust,zubron/rust,dwillmer/rust,vhbit/rust,jroesch/rust,dwillmer/rust,GBGamer/rust,GBGamer/rust,l0kod/rust,jroesch/rust,jashank/rust,GBGamer/rust,vhbit/rust,l0kod/rust,l0kod/rust,jroesch/rust,vhbit/rust,vhbit/rust,GBGamer/rust,zubron/rust,aidancully/rust,vhbit/rust,jroesch/rust,jashank/rust,pshc/rust,dwillmer/rust,aidancully/rust,zubron/rust,pshc/rust,GBGamer/rust,graydon/rust,dwillmer/rust,graydon/rust,jashank/rust,GBGamer/rust,pshc/rust,zubron/rust,zubron/rust,dwillmer/rust,l0kod/rust,jroesch/rust,aidancully/rust,graydon/rust,dwillmer/rust,jashank/rust,jroesch/rust,aidancully/rust,vhbit/rust,jroesch/rust