Add separate watched files for IDE Packaging CI workflow #123

Job	Run time
🔍 Engine Files Changed / Changed Files	11s
🔍 GUI Files Changed / Changed Files	6s
🔍 IDE Files Changed / Changed Files	7s
📦 Package (Optional) / Build Backend (macos, amd64)	25m 36s
📦 Package (Optional) / GUI build (macos, amd64)	11m 49s
📦 Package / GUI build (windows, amd64)	2m 40s
📦 Package / Build Backend (windows, amd64)	10m 56s
📦 Package / Build Backend (linux, amd64)	6m 18s
📦 Package / GUI build (linux, amd64)	1m 54s
📦 Package / Package New IDE (linux, amd64)	5m 52s
📦 Package / Package New IDE (windows, amd64)	11m 29s
IDE Required Checks	1s
📦 Package (Optional) / Package New IDE (macos, amd64)	31m 29s
	1h 48m 28s

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