Refactor approval URL construction in access and secret approval request services

- Updated the construction of approval URLs to use a consistent project path format.
- Modified notification payloads to include the new approval URL structure.
- Enhanced Slack message formatting to include buttons for viewing requests directly.

backend/src/ee/services/access-approval-request/access-approval-request-service.ts

@@ -399,7 +399,8 @@ export const accessApprovalRequestServiceFactory = ({
 
       const requesterFullName = `${requestedByUser.firstName} ${requestedByUser.lastName}`;
       const editorFullName = `${editedByUser.firstName} ${editedByUser.lastName}`;
-      const approvalPath = `/projects/secret-management/${project.id}/approval`;
+      const projectPath = `/projects/secret-management/${project.id}`;
+      const approvalPath = `${projectPath}/approval`;
       const approvalUrl = `${cfg.SITE_URL}${approvalPath}`;
 
       await triggerWorkflowIntegrationNotification({
@@ -417,7 +418,8 @@ export const accessApprovalRequestServiceFactory = ({
               approvalUrl,
               editNote,
               editorEmail: editedByUser.email as string,
-              editorFullName
+              editorFullName,
+              projectPath
             }
           },
           projectId: project.id