feat: update expand all text on enterprise customer datatable

[katrinan029]

Description

Updates the "Expand all" text on the enterprise customer datatable to say "View subsidies"

Test Plan on Stage

1. checkout branch knguyen2/ent-9458
2. at the root directory, add file webpack.dev.config.js with the following content:

const { createConfig } = require('@openedx/frontend-build');

module.exports = createConfig('webpack-dev', {
  devServer: {
    allowedHosts: 'all',
    https: true,
  },
});

3. replace the content in .env.development with this info:

NODE_ENV='development'
PORT=18450
FEATURE_CUSTOMER_SUPPORT_VIEW='true'
ADMIN_PORTAL_BASE_URL='https://portal.stage.edx.org'
ACCESS_TOKEN_COOKIE_NAME='stage-edx-jwt-cookie-header-payload'
BASE_URL='https://localhost.stage.edx.org:18450'
FEATURE_CONFIGURATION_MANAGEMENT='true'
FEATURE_CONFIGURATION_ENTERPRISE_PROVISION='true'
FEATURE_CONFIGURATION_EDIT_ENTERPRISE_PROVISION='true'
CREDENTIALS_BASE_URL='https://credentials.stage.edx.org'
CSRF_TOKEN_API_PATH='/csrf/api/v1/token'
ECOMMERCE_BASE_URL='https://ecommerce.stage.edx.org'
ENTERPRISE_ACCESS_BASE_URL='https://enterprise-access.stage.edx.org'
LANGUAGE_PREFERENCE_COOKIE_NAME='openedx-language-preference'
LMS_BASE_URL='https://courses.stage.edx.org'
LICENSE_MANAGER_URL='https://license-manager-internal.stage.edx.org'
SUPPORT_CONFLUENCE='https://support-tools.edx.org'
SUPPORT_CUSTOMER_REQUEST='https://support-tools.edx.org'
DISCOVERY_API_BASE_URL='https://discovery.stage.edx.org'
LOGIN_URL='https://courses.stage.edx.org/login'
LOGOUT_URL='https://courses.stage.edx.org/logout'
LOGO_URL=https://edx-cdn.org/v3/default/logo.svg
LOGO_TRADEMARK_URL=https://edx-cdn.org/v3/default/logo-trademark.svg
LOGO_WHITE_URL=https://edx-cdn.org/v3/default/logo-white.svg/
FAVICON_URL=https://edx-cdn.org/v3/default/favicon.ico
MARKETING_SITE_BASE_URL='https://stage.edx.org'
ORDER_HISTORY_URL='https://orders.stage.edx.org/orders'
REFRESH_ACCESS_TOKEN_ENDPOINT='https://courses.stage.edx.org/login_refresh'
SEGMENT_KEY=null
SITE_NAME='edX'
SUBSIDY_BASE_URL='https://enterprise-subsidy.stage.edx.org'
USER_INFO_COOKIE_NAME='edx-user-info'
PUBLISHER_BASE_URL='https://publisher.stage.edx.org/'
APP_ID='support-tools'
MFE_CONFIG_API_URL='https://courses.stage.edx.org/api/mfe_config/v1'

4. Verify that you see "View subsidies" in the datatable at this link: https://localhost.stage.edx.org:18450/enterprise-configuration/customers

Figma: https://www.figma.com/design/TP5hGfoYmohr21MwgUgCZN/Enterprise-Setup?node-id=1262-6407&t=FoB8SkaXyjmkuX0Y-1
https://2u-internal.atlassian.net/browse/ENT-9458

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.73%. Comparing base (0d5dba9) to head (b6d96e5).
Report is 9 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #421      +/-   ##
==========================================
+ Coverage   84.49%   84.73%   +0.24%     
==========================================
  Files         185      185              
  Lines        3817     3852      +35     
  Branches      921      948      +27     
==========================================
+ Hits         3225     3264      +39     
+ Misses        570      566       -4     
  Partials       22       22              

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