fix(14): remove dead generate_new branch from assignQuoteToLead (CRM-12)

assignQuoteToLead's generate_new check was unreachable since
SendQuoteModal always passed false. Removes the field from both
the server schema and the modal's local schema/defaultValues/call site.

src/app/admin/leads/actions.ts

@@ -115,7 +115,6 @@ export async function logActivity(data: z.infer<typeof createActivitySchema>) {
 const assignQuoteSchema = z.object({
   lead_id: z.string().min(1),
   quote_token: z.string().optional(),
-  generate_new: z.boolean(),
 });
 
 export async function assignQuoteToLead(data: z.infer<typeof assignQuoteSchema>) {
@@ -126,11 +125,6 @@ export async function assignQuoteToLead(data: z.infer<typeof assignQuoteSchema>)
   }
 
   try {
-    if (parsed.data.generate_new) {
-      // Redirect handled on client; this is a no-op
-      return { success: true };
-    }
-
     // Link quote to lead and update lead status
     const token = parsed.data.quote_token;
     const leadId = parsed.data.lead_id;