tici: only write eSIM connection once

system/hardware/tici/hardware.py

@@ -505,8 +505,8 @@ class Tici(HardwareBase):
         pass
 
     # eSIM prime
-    if sim_id.startswith('8985235'):
+    dest = "/etc/NetworkManager/system-connections/esim.nmconnection"
-      dest = "/etc/NetworkManager/system-connections/esim.nmconnection"
+    if sim_id.startswith('8985235') and not os.path.exists(dest):
       with open(Path(__file__).parent/'esim.nmconnection') as f, tempfile.NamedTemporaryFile(mode='w') as tf:
         dat = f.read()
         dat = dat.replace("sim-id=", f"sim-id={sim_id}")