MAGETWO-35185: It's impossible to remove added row from "Minimum Qty Allowed in Shopping Cart" in config

 - Let variable to be defined in global scope
 - Fix jquery template entries

Author: Mykhailo Miroshnikov

app/code/Magento/Config/Block/System/Config/Form/Field/FieldArray/AbstractFieldArray.php

@@ -181,7 +181,7 @@ protected function _getCellInputElementId($rowId, $columnName)
      */
     protected function _getCellInputElementName($columnName)
     {
-        return $this->getElement()->getName() . '[#{_id}][' . $columnName . ']';
+        return $this->getElement()->getName() . '[<%- _id %>][' . $columnName . ']';
     }
 
     /**
@@ -203,7 +203,7 @@ public function renderCellTemplate($columnName)
             return $column['renderer']->setInputName(
                 $inputName
             )->setInputId(
-                $this->_getCellInputElementId('#{_id}', $columnName)
+                $this->_getCellInputElementId('<%- _id %>', $columnName)
             )->setColumnName(
                 $columnName
             )->setColumn(
@@ -212,15 +212,15 @@ public function renderCellTemplate($columnName)
         }
 
         return '<input type="text" id="' . $this->_getCellInputElementId(
-            '#{_id}',
+            '<%- _id %>',
             $columnName
         ) .
             '"' .
             ' name="' .
             $inputName .
-            '" value="#{' .
+            '" value="<%- ' .
             $columnName .
-            '}" ' .
+            ' %>" ' .
             ($column['size'] ? 'size="' .
             $column['size'] .
             '"' : '') .

app/code/Magento/Config/Block/System/Config/Form/Field/Regexceptions.php

@@ -69,7 +69,7 @@ public function renderCellTemplate($columnName)
             )->setName(
                 $this->_getCellInputElementName($columnName)
             )->setHtmlId(
-                $this->_getCellInputElementId('#{_id}', $columnName)
+                $this->_getCellInputElementId('<%- _id %>', $columnName)
             )->setValues(
                 $options
             );

app/code/Magento/Config/view/adminhtml/templates/system/config/form/field/array.phtml

@@ -42,7 +42,7 @@ $_colspan = $block->isAddAfter() ? 2 : 1;
             'prototype'
         ], function (mageTemplate) {
         // create row creator
-        var arrayRow<?php echo $_htmlId ?> = {
+        window.arrayRow<?php echo $_htmlId ?> = {
 
             // define row prototypeJS template
             template: mageTemplate(