Remove trailing space about copyq-commands

[hluk]

The following command removes spaces from beginning and end of a newly copied string (not from existing items in the app):

[Command]
Automatic=true
Command="
    copyq:
    const text = str(input())
    const newText = text.trim()
    if (newText != text) {
        copy(newText)
        setData(mimeText, text)
        removeData(mimeHtml)
    }"
Icon=\xf0c4
Input=text/plain
Match=^\\s|\\s$
Name=Trim Whitespace