adopt when clause to enable/disable chatSessions integration (#7471)

Author: joshspicer

package.json

@@ -74,7 +74,8 @@
 				"type": "copilot-swe-agent",
 				"name": "copilot",
 				"displayName": "GitHub Copilot Coding Agent",
-				"description": "Chat session for GitHub Copilot coding agent"
+				"description": "Chat session for GitHub Copilot coding agent",
+				"when": "config.chat.agentSessionsViewLocation && config.chat.agentSessionsViewLocation != 'disabled'"
 			}
 		],
 		"remoteCodingAgents": [