docs(angular):updated component photo service (#2986) (#2987)

* docs(angular):updated component photo service (#2986)

* docs(angular):changed component photo service (#2986)

changed photo.path --> photo.path!

* remove extra newline

---------

Co-authored-by: Amanda Johnston <[email protected]>

Author: nandanchandra

docs/angular/your-first-app/5-adding-mobile.md

@@ -38,7 +38,7 @@ private async readAsBase64(photo: Photo) {
   if (this.platform.is('hybrid')) {
     // Read the file into base64 format
     const file = await Filesystem.readFile({
-      path: photo.path
+      path: photo.path!
     });
 
     return file.data;