[dockers] Default container autorestart feature to "enabled" for all except database (#4853)

Set the default auto_restart state to "enabled" in init_cfg.json for all containers except database

Signed-off-by: Yong Zhao <yozhao@microsoft.com>

files/build_templates/init_cfg.json.j2

@@ -28,7 +28,7 @@
 {%- for container in ["bgp", "database", "dhcp_relay", "lldp", "nat", "pmon", "radv", "restapi", "sflow",
                       "snmp", "swss", "syncd", "teamd", "telemetry"] %}
         "{{container}}": {
-            "auto_restart": "disabled",
+            "auto_restart": "{% if container == "database" %}disabled{% else %}enabled{% endif %}",
             "high_mem_alert": "disabled"
         }{% if not loop.last %},{% endif -%}
 {% endfor %}