Load your last commit message into git commit box, or let you choose from last n messages.
(GLCM) Load last commit message - Loads last commit message into commit message box
(GLCM) Choose commit message from last messages - Let you choose from your last commit message and sets it as commit message
CTRL+I CTRL+I - Loads last commit message into commit message box
CTRL+I CTRL+L - Let you choose from your last commit message and sets it as commit message
CMD+K CMD+L - Loads last commit message into commit message box
CMD+I CMD+L - Let you choose from your last commit message and sets it as commit message
Source: the Keyboard Shortcuts
screen in Visual Studio Code
"glcm.countOfCommitMessagesToChooseFrom": 10
"glcm.rewriteAlreadyTypedGitMessage": true