`()` file completion broken

[rsteube]

Files containing () are currently truncated: file()name -> file

10b4875b54ad7da4f2b6d6e10a7e73a2e219431a is the first bad commit
commit 10b4875b54ad7da4f2b6d6e10a7e73a2e219431a
Author: rsteube <[email protected]>
Date:   Fri May 27 10:23:09 2022 +0200

    ToMultiParts: fix display

 action_test.go        |  1 -
 invokedAction.go      | 50 ++++++++++++++++++++++++++++++++++----------------
 invokedAction_test.go | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+), 17 deletions(-)
 create mode 100644 invokedAction_test.go
bisect found first bad commit

caused-by: #534