Use servername instead of UUID for credential store.

Unfortunately, the UUID is used in such a way that makes it unlikely
to be unique.  The server name is the current best option.

Sources/Plasma/FeatureLib/pfPasswordStore/pfPasswordStore_Mac.cpp

@@ -43,7 +43,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "pfPasswordStore.h"
 #include "pfPasswordStore_impl.h"
 
-#include "plProduct.h"
+#include "pnNetBase/pnNbSrvs.h"
 
 #include <Security/Security.h>
 
@@ -52,7 +52,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
  *****************************************************************************/
 const plString pfMacPasswordStore::GetPassword(const plString& username)
 {
-    plString service = plProduct::UUID();
+    plString service = GetServerDisplayName();
 
     void* passwd = nullptr;
     uint32_t passwd_len = 0;
@@ -78,7 +78,7 @@ const plString pfMacPasswordStore::GetPassword(const plString& username)
 
 bool pfMacPasswordStore::SetPassword(const plString& username, const plString& password)
 {
-    plString service = plProduct::UUID();
+    plString service = GetServerDisplayName();
 
     return SecKeychainAddGenericPassword(nullptr,
                                          service.GetSize(),

Sources/Plasma/FeatureLib/pfPasswordStore/pfPasswordStore_Win.cpp

@@ -43,8 +43,8 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "pfPasswordStore.h"
 #include "pfPasswordStore_impl.h"
 
-#include "plProduct.h"
 #include "plFormat.h"
+#include "pnNetBase/pnNbSrvs.h"
 
 #include "hsWindows.h"
 #include <wincred.h>
@@ -55,7 +55,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 const plString pfWin32PasswordStore::GetPassword(const plString& username)
 {
     PCREDENTIALW credential;
-    plString target = plFormat("%s__%s", plProduct::UUID(), username);
+    plString target = plFormat("{}__{}", GetServerDisplayName(), username);
     plString password = plString::Null;
 
     if (!CredReadW(target.ToWchar().GetData(), CRED_TYPE_GENERIC, 0, &credential)) {
@@ -74,7 +74,7 @@ const plString pfWin32PasswordStore::GetPassword(const plString& username)
 bool pfWin32PasswordStore::SetPassword(const plString& username, const plString& password)
 {
     CREDENTIALW credential;
-    plString target = plFormat("%s__%s", plProduct::UUID(), username);
+    plString target = plFormat("{}__{}", GetServerDisplayName(), username);
 
     if (password.IsNull()) {
         if (CredDeleteW(target.ToWchar().GetData(), CRED_TYPE_GENERIC, 0)) {