Intent of toolCallConfirmed routes confirmation to correct agent via _toolCallAgents|occurrence=1

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 2 tests
- platform/ 2 tests
  - agentHost/ 2 tests
    
    test/ 2 tests
    
    node/ 2 tests
    
    agentSideEffects.test|title=AgentSideEffects handleAction — session/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentSideEffects.test|title=AgentSideEffects handleAction — session/toolCallConfirmed routes confirmation to correct agent via _toolCallAgents|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/node/agentSideEffects.test|title=AgentSideEffects session permissions ChatToolCallConfirmed with allow-session adds tool to session permissions|occurrence=1 Inherited agentSideEffects.test|title=AgentSideEffects session permissions ChatToolCallConfirmed with allow-session adds tool to session permissions|occurrence=1