Volume: Rename GetName to GetInternalName

This is intended to better separate it from GetNames and to clarify
that this name originally wasn't meant to be shown to users.
The ISOProperties GUI is also updated, mainly because labeling
the long banner name "short name" was confusing.

Source/Core/Core/CoreParameter.cpp

@@ -176,7 +176,7 @@ bool SCoreStartupParameter::AutoSetup(EBootBS2 _BootBS2)
 								m_strFilename.c_str());
 					return false;
 				}
-				m_strName = pVolume->GetName();
+				m_strName = pVolume->GetInternalName();
 				m_strUniqueID = pVolume->GetUniqueID();
 				m_revision = pVolume->GetRevision();
 
@@ -247,7 +247,7 @@ bool SCoreStartupParameter::AutoSetup(EBootBS2 _BootBS2)
 
 				if (pVolume)
 				{
-					m_strName = pVolume->GetName();
+					m_strName = pVolume->GetInternalName();
 					m_strUniqueID = pVolume->GetUniqueID();
 				}
 				else