Revert the cert subject changes

Part of fccd83d

Author: kvinwang

kms/src/main_service.rs

@@ -481,8 +481,8 @@ impl RpcHandler {
             .context("Failed to derive app disk key")?;
         let req = CertRequest::builder()
             .key(&app_key)
-            .org_name("dstack")
-            .subject("dstack App CA")
+            .org_name("Dstack")
+            .subject("Dstack App CA")
             .ca_level(0)
             .app_id(app_id)
             .special_usage("app:ca")

kms/src/onboard_service.rs

@@ -128,17 +128,17 @@ impl Keys {
         quote_enabled: bool,
     ) -> Result<Self> {
         let tmp_ca_cert = CertRequest::builder()
-            .org_name("dstack")
-            .subject("dstack Client Temp CA")
+            .org_name("Dstack")
+            .subject("Dstack Client Temp CA")
             .ca_level(0)
             .key(&tmp_ca_key)
             .build()
             .self_signed()?;
 
         // Create self-signed KMS cert
         let ca_cert = CertRequest::builder()
-            .org_name("dstack")
-            .subject("dstack KMS CA")
+            .org_name("Dstack")
+            .subject("Dstack KMS CA")
             .ca_level(1)
             .key(&ca_key)
             .build()