Revert "Bug 857674 - [music] hide sublist and player before entering to search mode"

This reverts commit 1a18886ad9890a7132e3a9eb843e3e02c8481a39.
Merge pull request #11061 from dominickuo/revert-bug-857674

Revert "Bug 857674 - [music] hide sublist and player before entering to search mode"