With this commit, the templates that are given while instantiating the App class can be an object with templates not yet parsed (i.e. string, not Document). This allow to instantiate the App class with templates that are not yet parsed, and these templates will be parsed only when needed.
With this commit, the templates that are given while instantiating the App class can be an object with templates not yet parsed (i.e. string, not Document). This allow to instantiate the App class with templates that are not yet parsed, and these templates will be parsed only when needed.
Part of task-id 3601257