fix: Executorchmodule BigInt64Array handling (#470)

## Description

Fix Executorchmodule BigInt64Array handling

### Type of change

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Documentation update (improves or adds clarity to existing
documentation)

### Tested on

- [x] iOS
- [ ] Android

### Checklist

- [x] I have performed a self-review of my code
- [x] I have commented my code, particularly in hard-to-understand areas
- [ ] I have updated the documentation accordingly
- [x] My changes generate no new warnings

Author: jakmro

src/modules/general/ExecutorchModule.ts

@@ -17,16 +17,16 @@ export class ExecutorchModule extends BaseModule {
       input = [input];
     }
 
-    let inputTypeIdentifiers = [];
-    let modelInputs = [];
+    const inputTypeIdentifiers: number[] = [];
+    const modelInputs: number[][] = [];
 
-    for (let idx = 0; idx < input.length; idx++) {
-      let currentInputTypeIdentifier = getTypeIdentifier(input[idx] as ETInput);
-      if (currentInputTypeIdentifier === -1) {
+    for (const subInput of input) {
+      const typeIdentifier = getTypeIdentifier(subInput);
+      if (typeIdentifier === -1) {
         throw new Error(getError(ETError.InvalidArgument));
       }
-      inputTypeIdentifiers.push(currentInputTypeIdentifier);
-      modelInputs.push([...(input[idx] as unknown as number[])]);
+      inputTypeIdentifiers.push(typeIdentifier);
+      modelInputs.push(Array.from(subInput, (x: number | BigInt) => Number(x)));
     }
 
     try {