Omnibar doesn't close when escape is pressed

[jkillian]

Environment

• Package version(s): select 3.0.0

Steps to reproduce

• open the omnibar example in the docs
• type something to see some results
• press esc

Actual behavior

• omnibar stays open

Expected behavior

• omnibar closes

Possible solution

This was caused by removing the onBlur handler in https://github.com/palantir/blueprint/pull/2645. I believe users may be able to work around this issue by adding a keypress listener to the omnibar input and listening for the escape key, but I haven't tested. Either way though, it feels like this should be handled by default by the component? Or at the very least the example should handle this so users know what to do.

[jkillian]

Actually, I don't think this works:

    // omnibar prop
    inputProps={{onKeyDown: this.handleKeyDown}}

    private handleKeyDown = (e: React.KeyboardEvent<HTMLElement>) => {
        if (e.which === Keys.ESC) {
            this.handleClose();
        }
    }

When I tried the above, all keys except the escape key triggered handleKeyDown, but the escape key is getting intercepted somewhere before then.

[evansjohnson]

I noticed https://github.com/palantir/blueprint/issues/6873 while looking at this but this issue does not reproduce anymore