cmd/compile: make expanded/hidden columns in GOSSAFUNC persist across
cmd/compile: make expanded/hidden columns in GOSSAFUNC persist across

reloads

use pushState with updated state and read it on page load,so that state
can survive across reloads.

Change-Id: I6c5e80e9747576245b979a62cb96d231d8f27d57
Reviewed-on: https://go-review.googlesource.com/c/go/+/248687
Run-TryBot: Alberto Donizetti <90b16103a35511ced020676f3544f17117fb4c92@gmail.com>
TryBot-Result: Go Bot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Bradford Lamson-Scribner <7ec6b9d4fc8007ada4f6f1c5b75c3ee53f4e5ca3@gmail.com>
Reviewed-by: Keith Randall <8c99c3a9284e493be632950b84cd789d08ed3e9d@golang.org>
Trust: Josh Bleecher Snyder <cdc248cc4d32e4fbfe04e45228163bcecd48a0b9@gmail.com>

golang/go,nawawi/go,cloudflare/go,golang/go,golang/go,CAFxX/go,CAFxX/go,cloudflare/go,cloudflare/go,nawawi/go,golang/go,golang/go,CAFxX/go,CAFxX/go,cloudflare/go,CAFxX/go,CAFxX/go,golang/go,CAFxX/go,nawawi/go,nawawi/go,golang/go,cloudflare/go,nawawi/go,cloudflare/go,nawawi/go,cloudflare/go,nawawi/go,cloudflare/go,CAFxX/go,nawawi/go,golang/go