fix sort bug, use integer replaces string to sort

[drshiki]

the string sort result in app-component db directory number-led doesn't increase number correctly when bigger than 100, for

10-cuba-xxx
50-abc-xxx
....
90-efg-xxx
100-xyz-xxx

sorted by string type will always get last module name 90-efg-xxx and generate repeated 100-xxx-xxx name

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