chore: Convert Importer classes to typescript #12849

Job	Run time
⚙️ Variables Setup	3s
📦 Build Packages	8m 58s
📦 Meteor Build - coverage	16m 20s
🔎 Code Check / TypeScript	4m 4s
🔨 Test Unit / Unit Tests	2m 17s
🔎 Code Check / Code Lint	26m 40s
🚢 Build Docker Images for Testing (official)	4m 39s
🚢 Build Docker Images for Testing (alpine)	7m 22s
🔨 Test UI (CE)	1s
🔨 Test UI (EE)	1s
🚢 Build Docker Image (preview)	1s
🔨 Test API (CE)	1s
🔨 Test API (EE)	1s
✅ Tests Done	1s
📦 Meteor Build - official	1s
🚢 Build Docker Images for Production	1s
🚀 Publish build assets	1s
🚀 Publish Docker Image (services)	1s
🚀 Publish Docker Image (main)	1s
trigger-dependent-workflows	1s
🚀 Notify external services	1s
	1h 10m 36s

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