🗑️ chore: Remove Deprecated Project Model and Associated Fields (#11773)

* chore: remove projects and projectIds usage

* chore: empty line linting

* chore: remove isCollaborative property across agent models and related tests

- Removed the isCollaborative property from agent models, controllers, and tests, as it is deprecated in favor of ACL permissions.
- Updated related validation schemas and data provider types to reflect this change.
- Ensured all references to isCollaborative were stripped from the codebase to maintain consistency and clarity.

packages/data-provider/src/config.ts

@@ -781,7 +781,6 @@ export type TStartupConfig = {
   sharedLinksEnabled: boolean;
   publicSharedLinksEnabled: boolean;
   analyticsGtmId?: string;
-  instanceProjectId: string;
   bundlerURL?: string;
   staticBundlerURL?: string;
   sharePointFilePickerEnabled?: boolean;
@@ -1754,8 +1753,6 @@ export enum Constants {
   SAVED_TAG = 'Saved',
   /** Max number of Conversation starters for Agents/Assistants */
   MAX_CONVO_STARTERS = 4,
-  /** Global/instance Project Name */
-  GLOBAL_PROJECT_NAME = 'instance',
   /** Delimiter for MCP tools */
   mcp_delimiter = '_mcp_',
   /** Prefix for MCP plugins */