fix(setup): allow fleet managers to maintain drivers

Unlike Vehicle, Driver only gave Fleet Manager read access, blocking routine fleet maintenance. Align its create, write and delete permissions with Vehicle.

Issue: frappe/erpnext-bug-reviews#381 (bug 5)
(cherry picked from commit ad8e44acc2)

erpnext/setup/doctype/driver/driver.json

@@ -126,13 +126,16 @@
  "owner": "Administrator",
  "permissions": [
   {
+   "create": 1,
+   "delete": 1,
    "email": 1,
    "export": 1,
    "print": 1,
    "read": 1,
    "report": 1,
    "role": "Fleet Manager",
-   "share": 1
+   "share": 1,
+   "write": 1
   },
   {
    "create": 1,

erpnext/setup/doctype/driver/test_driver.py

@@ -19,3 +19,11 @@ class TestDriver(unittest.TestCase):
 		)
 		with self.assertRaises(frappe.ValidationError):
 			driver.insert()
+
+	def test_fleet_manager_can_maintain_drivers(self):
+		user = f"fleet-{frappe.generate_hash(length=10)}@example.com"
+		frappe.get_doc(
+			{"doctype": "User", "email": user, "first_name": "Fleet", "send_welcome_email": 0}
+		).insert().add_roles("Fleet Manager")
+		for permission in ("create", "write", "delete"):
+			self.assertTrue(frappe.has_permission("Driver", permission, user=user))