MC-37065: [Magento Admin] Fix CSP Issue

- Refactor: Move ':data' value inside Csp module

Author: loginesta

app/code/Magento/AdminAnalytics/etc/csp_whitelist.xml

@@ -19,7 +19,6 @@
                     <value id="omtrdc" type="host">amcglobal.sc.omtrdc.net</value>
                     <value id="dpmdemdex" type="host">dpm.demdex.net</value>
                     <value id="everesttech" type="host">cm.everesttech.net</value>
-                    <value id="data" type="host">data:</value>
                 </values>
             </policy>
             <policy id="connect-src">

app/code/Magento/Csp/etc/csp_whitelist.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp:etc/csp_whitelist.xsd">
+        <policies>
+            <policy id="img-src">
+                <values>
+                    <value id="data" type="host">data:</value>
+                </values>
+            </policy>
+        </policies>
+</csp_whitelist>