update camera sample (#566)

* update camera sample

* fix client call

Author: oblomov-dev

src/z2ui5_cl_demo_app_306.clas.abap

@@ -75,6 +75,8 @@ CLASS z2ui5_cl_demo_app_306 IMPLEMENTATION.
     page->_z2ui5( )->camera_picture(
                       value      = client->_bind_edit( mv_picture_base )
                       onphoto    = client->_event( 'CAPTURE' )
+                      height = `10`
+                      width = `1000`
                       facingmode = client->_bind_edit( facing_mode )
                       deviceid   = client->_bind_edit( device ) ).
 

src/z2ui5_cl_demo_app_328.clas.abap

@@ -111,7 +111,7 @@ CLASS z2ui5_cl_demo_app_328 IMPLEMENTATION.
                       )->cells(
                           )->text( '{ID}' ).
 
-    client->view_display( page->stringify( ) ) ).
+    client->view_display( page->stringify( ) ).
 
   ENDMETHOD.