fix(helpers) move copyText function to web.js file

It gets bundled on mobile for no reason otherwise.

react/features/base/buttons/CopyButton.tsx

@@ -7,7 +7,7 @@ import React, { useEffect, useState } from 'react';
 import Icon from '../icons/components/Icon';
 import { IconCheck, IconCopy } from '../icons/svg';
 import { withPixelLineHeight } from '../styles/functions.web';
-import { copyText } from '../util/helpers';
+import { copyText } from '../util/copyText';
 
 const styles = (theme: Theme) => {
     return {

react/features/base/util/copyText.ts

@@ -0,0 +1,18 @@
+import clipboardCopy from 'clipboard-copy';
+
+/**
+ * Tries to copy a given text to the clipboard.
+ * Returns true if the action succeeds.
+ *
+ * @param {string} textToCopy - Text to be copied.
+ * @returns {Promise<boolean>}
+ */
+export async function copyText(textToCopy: string) {
+    try {
+        await clipboardCopy(textToCopy);
+
+        return true;
+    } catch (e) {
+        return false;
+    }
+}

react/features/base/util/helpers.ts

@@ -1,5 +1,3 @@
-import clipboardCopy from 'clipboard-copy';
-
 /**
  * A helper function that behaves similar to Object.assign, but only reassigns a
  * property in target if it's defined in source.
@@ -24,22 +22,6 @@ export function assignIfDefined(target: Object, source: Object) {
     return to;
 }
 
-/**
- * Tries to copy a given text to the clipboard.
- * Returns true if the action succeeds.
- *
- * @param {string} textToCopy - Text to be copied.
- * @returns {Promise<boolean>}
- */
-export async function copyText(textToCopy: string) {
-    try {
-        await clipboardCopy(textToCopy);
-
-        return true;
-    } catch (e) {
-        return false;
-    }
-}
 
 /**
  * Creates a deferred object.