Fix fileIcons.ts mappings

Signed-off-by: Firecrafter28 <74384569+Firecrafter28@users.noreply.github.com>

Author: Firecrafter28

src/core/icons/fileIcons.ts

@@ -301,7 +301,7 @@ export const fileIcons: FileIcons = {
         'sln.dotsettings.user',
         'cfg',
         'cnf',
-        '.tool-versions',
+        'tool-versions',
       ],
       fileNames: [
         '.jshintignore',