TT#26107 Clarify external_id field description

Change-Id: I6054b579bb713454dc70d456e3b4d62c666f13fb

lib/NGCP/Panel/Form/Contract/Base.pm

@@ -112,7 +112,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => {
         rel => ['tooltip'],
-        title => ['An external id, e.g. provided by a 3rd party provisioning']
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 

lib/NGCP/Panel/Form/Contract/BaseAPI.pm

@@ -80,7 +80,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 

lib/NGCP/Panel/Form/Customer/PbxSubscriber.pm

@@ -141,7 +141,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 

lib/NGCP/Panel/Form/Customer/Subscriber.pm

@@ -105,7 +105,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 

lib/NGCP/Panel/Form/Subscriber.pm

@@ -135,7 +135,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => {
         rel => ['tooltip'],
-        title => ['An external id, e.g. provided by a 3rd party provisioning.']
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );
 

lib/NGCP/Panel/Form/SubscriberEdit.pm

@@ -116,7 +116,7 @@ has_field 'external_id' => (
     required => 0,
     element_attr => { 
         rel => ['tooltip'], 
-        title => ['An external id, e.g. provided by a 3rd party provisioning'] 
+        title => ['A non-unique external ID e.g., provided by a 3rd party provisioning']
     },
 );