Update contexts.js

[ZwitsaI]

Change _processV2InputContexts(v2InputContexts) function: Extract name not from fixed 6th position,

const name = context['name'].split('/')[6];

but from last in the split

let name = context['name'].split('/');
name = name[name.length-1];

In requests that come in to the draft version contain the context name on the 6th/last position
"name": "projects/project-name/agent/sessions/ABwppplpq8QomdH91Z8YeWbZM1vvK04Ty6-2NEwAe5-Ur3Nc9GUAt3fyguV0YavLfQBNlLhYUFGQY35Gxm913Iefk/contexts/userdata"

In alpha test it's not the 6th but it's still the last position.
"name": "projects/project-name/agent/environments/__aog-30/users/-/sessions/ABwppHERR9ORcqJ4vEVSu1XxN3xTolEN7Pq1fUXhOBNaker5yA8ljmI9Wnp8uOZ2rdVVAS4s9Twxa-tjAH45X495K/contexts/userdata"

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[ZwitsaI]

@googlebot I signed it!

[willpomac]

Any progress on this ?