v1.9.38: fix header controls overlay width hiding Setup tab

Remove relwidth=0.4 from header controls place() so buttons use
natural width and don't overlap rightmost tab buttons.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

gui/app.py

@@ -255,7 +255,7 @@ class App(ctk.CTk):
 
         # Overlay header controls on top-right of tabview (same row as tab buttons)
         self._header_controls.lift()
-        self._header_controls.place(in_=self.tabview, relx=1.0, y=0, anchor="ne", relwidth=0.4)
+        self._header_controls.place(in_=self.tabview, relx=1.0, y=0, anchor="ne")
 
         for key in self._tab_keys:
             self.tabview.add(_tab_label(key))

version.py

@@ -1,6 +1,6 @@
 """Version info for ServerManager."""
 
-__version__ = "1.9.37"
+__version__ = "1.9.38"
 __app_name__ = "ServerManager"
 __author__ = "aibot777"
 __description__ = "Desktop GUI for managing remote servers"