feat: sync and update with all changes from fork (#720)

* feat: sync and update with all changes from fork
* refactor: extract clipboard copy logic into custom hook
* fix: correct spelling of DEFAULT_REFRESH_FREQUENCY_MS in Stamps and WalletBalance providers
* refactor(ui-tests): replace fixed sleeps with condition-based waits
* fix: handle null values for size and granteeCount in infoGroups
* fix(lint): add newline at end of file in useClipboardCopy hook
* fix(ui-tests): page.goto URL
* refactor: update import paths for useClipboardCopy

---------

Co-authored-by: Ferenc Sárai <sarai.ferenc@gmail.com>

tests/ui/test-case/TextFileUpload.js

@@ -0,0 +1,33 @@
+const path = require('path')
+const { selectStampAndUpload } = require('../helpers')
+const { Assert, Click } = require('../library')
+
+/**
+ * @param {puppeteer.Page} page Puppeteer Page object returned by `browser.newPage()`
+ */
+async function testTextFileUpload(page) {
+  await Click.elementWithText(page, 'a', 'Files')
+  await Click.elementWithTextAndUpload(page, 'button', 'Add File', path.resolve(__dirname, '../test-data/text.txt'))
+  await assertUploadPreview(page)
+  await selectStampAndUpload(page)
+  await assertDownloadPreview(page)
+}
+
+/**
+ * @param {puppeteer.Page} page Puppeteer Page object returned by `browser.newPage()`
+ */
+async function assertUploadPreview(page) {
+  await Assert.elementWithTextExists(page, 'p', 'Filename: text.txt')
+  await Assert.elementWithTextExists(page, 'p', 'Kind: text/plain')
+  await Assert.elementWithTextExists(page, 'p', 'Size: 1.64 KB')
+}
+
+/**
+ * @param {puppeteer.Page} page Puppeteer Page object returned by `browser.newPage()`
+ */
+async function assertDownloadPreview(page) {
+  assertUploadPreview(page)
+  await Assert.elementWithTextExists(page, 'p', 'Swarm Hash: c6e8a03e[…]327a88c4')
+}
+
+module.exports = { testTextFileUpload }