{LYN-4224} Fix for the file scan slowdown (#1183)

* {LYN-4224} Fix for the file scan slowdown

* Fixed a slowdown in the file scanning logic
* Improved the file scanning logic from previous code by 40%

Tests:
Using Testing\Pytest\AutomatedTesting_BlastTest

old code:
=== 7 passed in 96.13s (0:01:36) ===

current code:
=== 7 passed in 160.45s (0:02:40) ====

newest code:
=== 7 passed in 52.91s ===

* fixing a unit test compile error

* unit test fixes

* another file improvement

* fix for legacy level loading taking too long

* making an enum for the search types

* switched the enum to "allow" types to make the input more clear

Code/Sandbox/Editor/CryEditDoc.cpp

@@ -1139,7 +1139,7 @@ bool CCryEditDoc::SaveLevel(const QString& filename)
         const QString oldLevelPattern = QDir(oldLevelFolder).absoluteFilePath("*.*");
         const QString oldLevelName = Path::GetFile(GetLevelPathName());
         const QString oldLevelXml = Path::ReplaceExtension(oldLevelName, "xml");
-        AZ::IO::ArchiveFileIterator findHandle = pIPak->FindFirst(oldLevelPattern.toUtf8().data(), 0, true);
+        AZ::IO::ArchiveFileIterator findHandle = pIPak->FindFirst(oldLevelPattern.toUtf8().data(), AZ::IO::IArchive::eFileSearchType_AllowOnDiskAndInZips);
         if (findHandle)
         {
             do