fix: BL-14315 unwanted scrollbar in customization dialog

Author: nabalone

components/language-chooser/react/language-chooser-react-mui/e2e/customizationDialog.e2e.ts

@@ -35,7 +35,7 @@ async function enterScript(customizationDialog, scriptName) {
     .locator("#customize-script-field-wrapper")
     .getByLabel("Open")
     .click();
-  await customizationDialog.getByRole("option", { name: scriptName }).click();
+  await page.getByRole("option", { name: scriptName }).click();
 }
 
 function regionFieldLocator(customizationDialog) {
@@ -48,7 +48,7 @@ async function enterRegion(customizationDialog, regionName) {
     .locator("#customize-region-field-wrapper")
     .getByLabel("Open")
     .click();
-  await customizationDialog.getByRole("option", { name: regionName }).click();
+  await page.getByRole("option", { name: regionName }).click();
 }
 
 function variantFieldLocator(customizationDialog) {
@@ -290,7 +290,7 @@ test.describe("Customization button and dialog", () => {
       .locator("#customize-script-field-wrapper")
       .getByLabel("Open")
       .click();
-    await customizationDialog
+    await page
       .getByRole("option", { name: "Arabic" })
       .filter({ hasNotText: "Arabic (Nastaliq variant)" })
       .click();

components/language-chooser/react/language-chooser-react-mui/src/CustomizeLanguageDialog.tsx

@@ -216,7 +216,6 @@ export const CustomizeLanguageDialog: React.FunctionComponent<{
               ) => {
                 setDialogSelectedScript(newValue || EMPTY_COMBOBOX_VALUE);
               }}
-              disablePortal
               options={getAllScriptOptions()}
               renderInput={(params) => <TextField {...params} />}
               size={"small"}
@@ -239,7 +238,6 @@ export const CustomizeLanguageDialog: React.FunctionComponent<{
             ) => {
               setDialogSelectedRegion(newValue || EMPTY_COMBOBOX_VALUE);
             }}
-            disablePortal
             options={getAllRegionOptions()}
             renderInput={(params) => <TextField {...params} />}
             size={"small"}