fix(appbuilder): Update support for enVar in the webview

[jonife]

Problem

Update support for enVar in the webview

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[github-actions]

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[hayemaxi]

Suggested change

	"description": "Update support for enVar in the webview"
	"description": "Lambda: Support for environment variables in the editor webview."

[hayemaxi]

This is pretty deeply nested, does it really depend on if (this.launchConfig.lambda) ? If not, can you pull it out a little, e.g. after if (this.launchConfig && this.resourceData) { ... }

[jonife]

yes it does

[hayemaxi]

LGTM pending comments