Fix callscript iteration

[sohkai]

Currently it thinks each item in the callscript starts with the spec id, but this is actually only added once.

See (Updated with pinned version)

aragon.js/packages/aragon-wrapper/src/index.js

Lines 764 to 772 in 87fcc99

	while (script.startsWith(CALLSCRIPT_ID)) {
	const segment = decodePathSegment(script)
	// Set script
	script = segment.data
	// Push segment
	path.push(segment)
	}