MAGETWO-89187: Column Data Separation

- Add css filter
- Fix master format

Author: raith-hamzah

app/code/Magento/PageBuilder/view/adminhtml/web/template/content-type/column/full-height/master.html

@@ -5,7 +5,8 @@
  */
 -->
 
-<div attr="data.main.attributes"
+<div class="pagebuilder-column"
+     attr="data.main.attributes"
      ko-style="data.main.style"
      css="data.main.css">
     <render args="renderChildTemplate"/>

app/code/Magento/PageBuilder/view/base/pagebuilder/content_type/column.xml

@@ -46,7 +46,11 @@
                                     <attribute name="name" source="data-role"/>
                                     <attribute name="appearance" source="data-appearance"/>
                                 </attributes>
-                                <css name="css_classes"/>
+                                <css name="css_classes">
+                                    <filter>
+                                        <class source="pagebuilder-column"/>
+                                    </filter>
+                                </css>
                             </element>
                         </elements>
                         <converters>
@@ -86,7 +90,11 @@
                                     <attribute name="name" source="data-role"/>
                                     <attribute name="appearance" source="data-appearance"/>
                                 </attributes>
-                                <css name="css_classes"/>
+                                <css name="css_classes">
+                                    <filter>
+                                        <class source="pagebuilder-column"/>
+                                    </filter>
+                                </css>
                             </element>
                         </elements>
                         <converters>
@@ -126,7 +134,11 @@
                                     <attribute name="name" source="data-role"/>
                                     <attribute name="appearance" source="data-appearance"/>
                                 </attributes>
-                                <css name="css_classes"/>
+                                <css name="css_classes">
+                                    <filter>
+                                        <class source="pagebuilder-column"/>
+                                    </filter>
+                                </css>
                             </element>
                         </elements>
                         <converters>
@@ -166,7 +178,11 @@
                                     <attribute name="name" source="data-role"/>
                                     <attribute name="appearance" source="data-appearance"/>
                                 </attributes>
-                                <css name="css_classes"/>
+                                <css name="css_classes">
+                                    <filter>
+                                        <class source="pagebuilder-column"/>
+                                    </filter>
+                                </css>
                             </element>
                         </elements>
                         <converters>