Adds -chan option to the goroutines command to list only the goroutines
running on a specified channel.
Also when printing a variable if it is a channel also print the list of
goroutines that are waiting on it.
* terminal/command: 'goroutines' command add new flags '-exec command'
Support run command on every goroutine.
Fixes#3043
* terminal/command: 'goroutines' command add new flags '-exec command'
Support run command on every goroutine.
Fixes#3043
* terminal/command: add -per-g-hitcount option to condition command
Support use per goroutine hitcount as hintcond operand.
Fixes#3050
Co-authored-by: roketyyang <roketyyang@tencent.com>