Use another vector for installed fonts in CFX_FontMapper

fpdfsdk/cfx_systemhandler.cpp

Index: fpdfsdk/cfx_systemhandler.cpp
diff --git a/fpdfsdk/cfx_systemhandler.cpp b/fpdfsdk/cfx_systemhandler.cpp
index bfa80df126bc27f04a7325fb99eb5f19d055b77d..72cb9f57ed3acafbc3970582d5df5fe85760a439 100644
--- a/fpdfsdk/cfx_systemhandler.cpp
+++ b/fpdfsdk/cfx_systemhandler.cpp
@@ -106,6 +106,10 @@ bool CFX_SystemHandler::FindNativeTrueTypeFont(CFX_ByteString sFontFaceName) {
     if (font.Compare(sFontFaceName.AsStringC()))
       return true;
   }
+  for (const auto& fontPair : pFontMapper->m_LocalizedTTFonts) {
+    if (fontPair.first.Compare(sFontFaceName.AsStringC()))
+      return true;
+  }
   return false;
 }