Sampath accessibility sev 2 (#1400)

* autoscale and manual radiobuutton fixes

* alt text attribute for images

* Revert "alt text attribute for images"

This reverts commit 5a660551c6.

* alt text for decorative images

* sev2 accessibilitydefects in data explorer

* Revert "sev2 accessibilitydefects in data explorer"

This reverts commit b84d5b572c.

* Sev2 accessibilitydefects

* Revert "Sev2 accessibilitydefects"

This reverts commit a4e60f106c.

* accessibilitydefects-data explorer

* Remove extra white space

---------

Co-authored-by: Victor Meng <vimeng@microsoft.com>

src/Explorer/SplashScreen/SplashScreen.tsx

@@ -116,7 +116,14 @@ export class SplashScreen extends React.Component<SplashScreenProps> {
         <form className="connectExplorerFormContainer">
           <div className="splashScreenContainer">
             <div className="splashScreen">
-              <div className="title">
+              <div
+                className="title"
+                aria-label={
+                  userContext.apiType === "Postgres"
+                    ? "Welcome to Azure Cosmos DB for PostgreSQL"
+                    : "Welcome to Azure Cosmos DB"
+                }
+              >
                 {userContext.apiType === "Postgres"
                   ? "Welcome to Azure Cosmos DB for PostgreSQL"
                   : "Welcome to Azure Cosmos DB"}