♻️More attributes added in webengage amp-analytics vendor config (#27429

)

* source url and viewer added in event attributes

* page url change to use sourceUrl variable

Co-authored-by: Ayush Gupta <ayush.gupta@webengage.com>

extensions/amp-analytics/0.1/test/vendor-requests.json

@@ -490,8 +490,8 @@
     "event": "https://tags-dmp.vpadn.com/et?t=_timestamp_&sdkn=j&sdkv=1.2.0&lk=!licence_key&en=UTF-8&ctid=_client_id(vpadn-ctid)_&ev=!ev_name&pl=!payload&is_amp=1&page_id=_page_view_id_"
   },
   "webengage": {
-    "base": "https://c.!region.webengage.com/amp?licenseCode=!licenseCode&luid=_client_id(we_luid)_&pageUrl=_canonical_url_&pageTitle=_title_&referrer=_document_referrer_&vh=_viewport_height_&vw=_viewport_width_&category=application&isAmp=1",
-    "wePageview": "https://c.!region.webengage.com/amp?licenseCode=!licenseCode&luid=_client_id(we_luid)_&pageUrl=_canonical_url_&pageTitle=_title_&referrer=_document_referrer_&vh=_viewport_height_&vw=_viewport_width_&category=application&eventName=Page Viewed&isAmp=1"
+    "base": "https://c.!region.webengage.com/amp?licenseCode=!licenseCode&luid=_client_id(we_luid)_&pageUrl=_source_url_&pageTitle=_title_&referrer=_document_referrer_&vh=_viewport_height_&vw=_viewport_width_&category=application&isAmp=1&amp-viewer=_viewer_",
+    "wePageview": "https://c.!region.webengage.com/amp?licenseCode=!licenseCode&luid=_client_id(we_luid)_&pageUrl=_source_url_&pageTitle=_title_&referrer=_document_referrer_&vh=_viewport_height_&vw=_viewport_width_&category=application&eventName=Page Viewed&isAmp=1&amp-viewer=_viewer_"
   },
   "webtrekk": {
     "trackURL": "https://!trackDomain/!trackId/wt",

extensions/amp-analytics/0.1/vendors/webengage.json

@@ -1,12 +1,13 @@
 {
   "requests": {
-    "base": "https://c.${region}.webengage.com/amp?licenseCode=${licenseCode}&luid=${clientId(we_luid)}&pageUrl=${canonicalUrl}&pageTitle=${title}&referrer=${documentReferrer}&vh=${viewportHeight}&vw=${viewportWidth}&category=application",
+    "base": "https://c.${region}.webengage.com/amp?licenseCode=${licenseCode}&luid=${clientId(we_luid)}&pageUrl=${sourceUrl}&pageTitle=${title}&referrer=${documentReferrer}&vh=${viewportHeight}&vw=${viewportWidth}&category=application",
     "wePageview": {
       "baseUrl": "${base}&eventName=Page Viewed"
     }
   },
   "extraUrlParams": {
-    "isAmp": 1
+    "isAmp": 1,
+    "amp-viewer": "${viewer}"
   },
   "triggers": {
     "wePageviewTrigger": {