Replace default export with named exports (#1998)

## Launch Checklist

See title,
Also removed some "_" from some file names.
This is a pure refactoring, no logic changes.


 - [x] Briefly describe the changes in this PR.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/components/InputNumber.tsx

@@ -1,5 +1,5 @@
 import React, { type BaseSyntheticEvent } from "react";
-import generateUniqueId from "../libs/document-uid";
+import { generateUniqueId } from "../libs/document-uid";
 
 export type InputNumberProps = {
   value?: number
@@ -25,7 +25,7 @@ type InputNumberState = {
   dirtyValue?: number | string | undefined
 };
 
-export default class InputNumber extends React.Component<InputNumberProps, InputNumberState> {
+export class InputNumber extends React.Component<InputNumberProps, InputNumberState> {
   static defaultProps = {
     rangeStep: 1
   };