chore: Plugin registration (#6623)

* first pass

* test

* test

* priority

* Reduce boilerplate further

* Update server/utils/PluginManager.ts

Co-authored-by: Apoorv Mishra <apoorvmishra101092@gmail.com>

* fix: matchesNode error in destroyed editor transaction

* fix: Individual imported files do not display source correctly in 'Insights'

* chore: Add sleep before Slack notification

* docs

* fix: Error logged about missing plugin.json

* Remove email template glob

---------

Co-authored-by: Apoorv Mishra <apoorvmishra101092@gmail.com>

build.js

@@ -79,7 +79,7 @@ async function build() {
     execAsync("cp package.json ./build"),
     ...d.map(async (plugin) =>
       execAsync(
-        `mkdir -p ./build/plugins/${plugin} && cp ./plugins/${plugin}/plugin.json ./build/plugins/${plugin}/plugin.json`
+        `mkdir -p ./build/plugins/${plugin} && cp ./plugins/${plugin}/plugin.json ./build/plugins/${plugin}/plugin.json 2>/dev/null || :`
       )
     ),
   ]);