There are a three options to invoke the sort imports command, they are as follows:
Option 1 (Command Palette)

Option 2 (Quick Fix)
Launching the Quick Fix command from the Command Palette

Launching the Quick Fix command using the keyboard shortcut

Option 3 (Keyboard Shortcut)
There are a three options to invoke the sort imports command, they are as follows:
Option 1 (Command Palette)

Option 2 (Quick Fix)
Launching the Quick Fix command from the Command Palette

Launching the Quick Fix command using the keyboard shortcut

Option 3 (Keyboard Shortcut)