Add visit scope text to relevant custom variable segments.

plugins/CustomVariables/Columns/Base.php

@@ -23,7 +23,7 @@ class Base extends VisitDimension
         $segment = new Segment();
         $segment->setType('dimension');
         $segment->setSegment('customVariable' . $segmentNameSuffix);
-        $segment->setName($this->getName());
+        $segment->setName($this->getName() . ' (' . Piwik::translate('CustomVariables_ScopeVisit') . ')');
         $segment->setCategory('CustomVariables_CustomVariables');
         $segment->setSqlSegment($this->getSegmentColumns('log_visit.' . $fieldPrefix, $numCustomVariables));
         $segment->setSuggestedValuesCallback(function ($idSite, $ignore, DataTable $table) use ($segmentNameSuffix) {

tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.getSegmentsMetadata.xml

@@ -279,7 +279,7 @@
 	<row>
 		<type>dimension</type>
 		<category>Custom Variables</category>
-		<name>Custom Variable name</name>
+		<name>Custom Variable name (scope visit)</name>
 		<segment>customVariableName</segment>
 	</row>
 	<row>
@@ -387,7 +387,7 @@
 	<row>
 		<type>dimension</type>
 		<category>Custom Variables</category>
-		<name>Custom Variable value</name>
+		<name>Custom Variable value (scope visit)</name>
 		<segment>customVariableValue</segment>
 	</row>
 	<row>