Move Apps to QuickJs VMs

[artem-v-shamsutdinov]

Right now Apps run in IFrames. And every iframe drags along with it a lot of framework code needed to make queries (and cross application queries) run. This won't scale once there are many AIRport apps (with maybe dozens if not hundreds loaded into memory at a time). A solution for this (and to better enforce security, which is even more important) is to extract just he App code and move it into a controlled QuickJs VM. The needed framework code will only be loaded once (with the core framework). This will also remove the need for async messaging between IFrames and for initialization of App metadata (including all referenced Apps) within the App IFrame isolates.

There result will be a more secure installation that runs with less RAM and CPU and scales much better.