Pass context in beforeDelete, afterDelete, beforeFind and Parse.Cloud.run. (#6666)

* add context for following hooks.
1. beforeDelete
2. afterDelete
3. beforeFind
4. Cloud Function

* revert un-necessary code change.

* fix: failing test cases.

* fix: failing test cases.

* fix: failing test cases.

* fix: failing test cases.

* fix: failing test cases.

* fix: failing test cases.

* fix: failing test cases.

* review changes

* revert changes

* revert changes

* review changes

* lint changes

* review changes

src/triggers.js

@@ -233,7 +233,10 @@ export function getRequestObject(
     request.original = originalParseObject;
   }
 
-  if (triggerType === Types.beforeSave || triggerType === Types.afterSave) {
+  if (triggerType === Types.beforeSave ||
+    triggerType === Types.afterSave ||
+    triggerType === Types.beforeDelete ||
+    triggerType === Types.afterDelete) {
     // Set a copy of the context on the request object.
     request.context = Object.assign({}, context);
   }
@@ -259,6 +262,7 @@ export function getRequestQueryObject(
   query,
   count,
   config,
+  context,
   isGet
 ) {
   isGet = !!isGet;
@@ -272,6 +276,7 @@ export function getRequestQueryObject(
     isGet,
     headers: config.headers,
     ip: config.ip,
+    context: context || {},
   };
 
   if (!auth) {
@@ -460,6 +465,7 @@ export function maybeRunQueryTrigger(
   restOptions,
   config,
   auth,
+  context,
   isGet
 ) {
   const trigger = getTrigger(className, triggerType, config.applicationId);
@@ -485,6 +491,7 @@ export function maybeRunQueryTrigger(
     parseQuery,
     count,
     config,
+    context,
     isGet
   );
   return Promise.resolve()
@@ -605,7 +612,9 @@ export function maybeRunTrigger(
         );
         if (
           triggerType === Types.beforeSave ||
-          triggerType === Types.afterSave
+          triggerType === Types.afterSave ||
+          triggerType === Types.beforeDelete ||
+          triggerType === Types.afterDelete
         ) {
           Object.assign(context, request.context);
         }