Improve ember-inspector integration

[lifeart]

• Add in-element case add in element to debug render tree glimmerjs/glimmer-vm#1560
• Add `modifiers case add modifiers to debug render tree glimmerjs/glimmer-vm#1559 https://github.com/emberjs/ember-inspector/pull/2548/files
• Add rendered slots
• Add rendered helpers?
• tracked deps https://github.com/emberjs/ember-inspector/pull/2546/files

https://discord.com/channels/480462759797063690/1204116134236790835/1204423436051677224

[lifeart]

ember_debug.js:6054 failed to setup in element support Error: Module: '@glimmer/runtime' not found.
at requireModule (ember-inspector.ts:575:13)
at InElementSupportProvider.require (ember_debug.js:6028:39)
at new InElementSupportProvider (ember_debug.js:5907:27)
at new RenderTree (ember_debug.js:6052:33)
at _class.init (ember_debug.js:10517:42)
at new BaseObject (ember_debug.js:9660:12)
at new _default (ember_debug.js:813:7)
at new _class (ember_debug.js:10508:3)
at EmberDebug.startModule (ember_debug.js:7318:20)
at ember_debug.js:7347:14

[lifeart]