ComboBox:Within Form Stop Blur Propagation

This story threw an error after it finished rendering which means interactions may not have been executed fully.

Error: Unhandled errors while playing:
 ["TypeError: Converting circular structure to JSON\n    --> starting at object with constructor 'HTMLButtonElement'\n    |     property '__reactFiber$7gzfcxen792' -> object with constructor 'ac'\n    |     property 'return' -> object with constructor 'ac'\n    |     ...\n    |     property 'stateNode' -> object with constructor 'HTMLFormElement'\n    --- property '2' closes the circle"]
    at Object.eval (eval at evaluate (:234:30), <anonymous>:147:50)
    at https://626ee6db91d1c8004a912249-rtbrbpwcnv.capture-loopback.chromatic.com/assets/iframe-Br_x-1nI.js:20:2084
    at Array.forEach (<anonymous>)
    at ho.handleEvent (https://626ee6db91d1c8004a912249-rtbrbpwcnv.capture-loopback.chromatic.com/assets/iframe-Br_x-1nI.js:20:2070)
    at handler (https://626ee6db91d1c8004a912249-rtbrbpwcnv.capture-loopback.chromatic.com/assets/iframe-Br_x-1nI.js:20:1489)
    at ho.emit (https://626ee6db91d1c8004a912249-rtbrbpwcnv.capture-loopback.chromatic.com/assets/iframe-Br_x-1nI.js:20:1545)
    at Dn.render (https://626ee6db91d1c8004a912249-rtbrbpwcnv.capture-loopback.chromatic.com/assets/iframe-Br_x-1nI.js:199:4184)