Adds no branches placeholder to keep the date filter always displayed#3756

d13 merged 3 commits intomaingitkraken/vscode-gitlens:mainfrom

bugs/3755-date-filter-is-disappeared-if-no-items-matched-the-filtergitkraken/vscode-gitlens:bugs/3755-date-filter-is-disappeared-if-no-items-matched-the-filterCopy head branch name to clipboard