Double Shift Search Commands everywhere

On Pressing double shift twice or some configurable key stroke, launch alert dialog showing command list which can be filtered as user enters text for the command he is looking for, similar to other coding ides like https://blog.jetbrains.com/wp-content/uploads/2020/05/idea-SE_access_tool_window.png , https://blog.jetbrains.com/idea/2020/05/when-the-shift-hits-the-fan-search-everywhere/

for e.g., to Drop Shadow command, user presses shift twice, search dialog appears, user types drop and the drop shadow command is available and can be executed by down arrow and enter on clicking by the mouse