Fix process.env.version in browser-bundles (#206)

* Fix `process.env.version` in browser-bundles

- also fix tsdoc warns in mjs files

Co-authored-by: Fülöp Kovács <kovacs.fulop@gmail.com>
Co-authored-by: Cole Lawrence <cole@colelawrence.com>

* Change to `process.env.THEATRE_VERSION`

Co-authored-by: Fülöp Kovács <kovacs.fulop@gmail.com>
Co-authored-by: Cole Lawrence <cole@colelawrence.com>

theatre/devEnv/buildUtils.ts

@@ -2,7 +2,7 @@ import path from 'path'
 import {build} from 'esbuild'
 
 export const definedGlobals = {
-  'process.env.version': JSON.stringify(
+  'process.env.THEATRE_VERSION': JSON.stringify(
     require('../studio/package.json').version,
   ),
   // json-touch-patch (an unmaintained package) reads this value. We patch it to just 'Set', becauce