Library - Use Case sensitive option when listing filtering is done by the library

0e207a0 wrongly removed the DokanIsNameInExpression caseSensitive usage.
When the library does the filtering, it should take into account the type of filesystem case type used.

Author: Liryna

dokan/directory.c

@@ -391,6 +391,8 @@ LONG MatchFiles(PDOKAN_IO_EVENT IoEvent, PDOKAN_VECTOR DirList) {
   BOOL patternCheck = FALSE;
   PWCHAR pattern = NULL;
   BOOL bufferOverFlow = FALSE;
+  BOOL caseSensitive = IoEvent->DokanInstance->DokanOptions->Options &
+                       DOKAN_OPTION_CASE_SENSITIVE;
 
   if (IoEvent->EventContext->Operation.Directory.SearchPatternLength > 0) {
     pattern = (PWCHAR)((SIZE_T)&IoEvent->EventContext->Operation.Directory
@@ -412,7 +414,8 @@ LONG MatchFiles(PDOKAN_IO_EVENT IoEvent, PDOKAN_VECTOR DirList) {
 
     // pattern is not specified or pattern match is ignore cases
     if (!patternCheck ||
-        DokanIsNameInExpression(pattern, find->FindData.cFileName, TRUE)) {
+        DokanIsNameInExpression(pattern, find->FindData.cFileName,
+                                !caseSensitive)) {
       if (IoEvent->EventContext->Operation.Directory.FileIndex <= index) {
         // index+1 is very important, should use next entry index
         ULONG entrySize = DokanFillDirectoryInformation(