Update main menu to display 'Dashboards' for consistency (opensearch-…

…project#4453)

* Update main menu to display 'Dashboards' for consistency. Fixes opensearch-project#4296
This resolves the inconsistency highlighted in issue opensearch-project#4296 (opensearch-project#4296). The decision to make this change was made in issue opensearch-project#68 (opensearch-project/ux#68)."
* Update OpenSearch Dashboard to OpenSearch Dashboards for consistence
* CHANGELOG.md update

---------

Signed-off-by: Danila Gulderov <gulderov@ya.ru>

CHANGELOG.md

@@ -36,6 +36,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - [Chore] Update deprecated url methods (url.parse(), url.format()) ([#2910](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2910))
 - Cleanup unused url ([#3847](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3847))
 - [Saved Objects Management] Fix relationships header overflow ([#4070](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4070))
+- Update main menu to display 'Dashboards' for consistency ([#4453](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4453))
 
 ### 🚞 Infrastructure
 

COMMUNICATIONS.md

@@ -36,7 +36,7 @@ While we'll always prioritize asynchronous communication, sometimes a community
 
 1. Review a proposal or technical design for a new feature in OpenSearch Dashboards or an OpenSearch Dashboards plugin
 2. Learn more about how to build and extend OpenSearch Dashboards - which APIs, plugins, resources, and services are available to speed development
-3. Discuss OpenSearch Dashboard roadmap and technical initiatives
+3. Discuss OpenSearch Dashboards roadmap and technical initiatives
 
 Signing up isn't required to attend - all OpenSearch Dashboards contributors or interested developers are welcome as participants.
 

src/plugins/dashboard/public/plugin.tsx

@@ -360,7 +360,7 @@ export class DashboardPlugin
 
     const app: App = {
       id: DashboardConstants.DASHBOARDS_ID,
-      title: 'Dashboard',
+      title: 'Dashboards',
       order: 2500,
       euiIconType: 'inputOutput',
       defaultPath: `#${DashboardConstants.LANDING_PAGE_PATH}`,