Fix ESLint errors, bugs, and add gravity export

- Fix missing return in childRegistrationUtils.registerChild()
- Fix assertionUtils: assertNoNaN uses this.assertNoNaN
- Fix logger: nameModule uses this.nameModule
- Fix assetUtils: convert ESM to CommonJS
- Fix childRegistrationUtils_DEPRECATED: desc -> softwareType
- Add gravity export to index.js for rotatingMachine
- Fix ESLint errors across 18 files (no-undef, no-case-declarations,
  no-mixed-spaces-and-tabs, parsing errors)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/convert/lodash/lodash._setbinddata/index.js

@@ -24,7 +24,7 @@ var defineProperty = (function() {
     var o = {},
         func = reNative.test(func = Object.defineProperty) && func,
         result = func(o, o, o) && func;
-  } catch(e) { }
+  } catch(e) { /* intentionally empty */ }
   return result;
 }());