Typings: Added editor parameter to onStore (#4605)

* Typings: Added editor parameter to onStore 

Added an optional parameter to onStore in the storage manager.  This is in accordance with the common use case  (https://grapesjs.com/docs/modules/Storage.html#common-use-cases) - HTML code with project data

* Typings: OnStore editor non-optional

* Propagated editor to onStore in Remote Storage

index.d.ts

@@ -443,7 +443,7 @@ declare namespace grapesjs {
     type?: string;
     stepsBeforeSave?: number;
     recovery?: boolean | Function;
-    onStore?: (data: any) => any;
+    onStore?: (data: any, editor: Editor) => any;
     onLoad?: (data: any) => any;
     options?: {
       local?: LocalStorageConfig;
@@ -464,7 +464,7 @@ declare namespace grapesjs {
     contentTypeJson?: boolean;
     credentials?: RequestCredentials;
     fetchOptions?: string | ((opts: object) => object);
-    onStore?: (data: any) => any;
+    onStore?: (data: any, editor: Editor) => any;
     onLoad?: (data: any) => any;
   }