screenshot: kill wayfreeze even if no selection

Also fix slurp being hidden by wayfreeze

src/caelestia/subcommands/screenshot.py

@@ -1,4 +1,5 @@
 import subprocess
+import time
 from argparse import Namespace
 from datetime import datetime
 
@@ -19,19 +20,28 @@ class Command:
             self.fullscreen()
 
     def region(self) -> None:
+        if self.args.region == "slurp":
             freeze_proc = None
 
             if self.args.freeze:
                 freeze_proc = subprocess.Popen(["wayfreeze", "--hide-cursor"])
 
-        if self.args.region == "slurp":
+            try:
                 ws = hypr.message("activeworkspace")["id"]
                 geoms = [
                     f"{','.join(map(str, c['at']))} {'x'.join(map(str, c['size']))}"
                     for c in hypr.message("clients")
                     if c["workspace"]["id"] == ws
                 ]
+
+                # Delay to ensure wayfreeze starts first
+                if freeze_proc:
+                    time.sleep(0.01)
+
                 region = subprocess.check_output(["slurp"], input="\n".join(geoms), text=True)
+            finally:
+                if freeze_proc:
+                    freeze_proc.kill()
         else:
             region = self.args.region
 
@@ -40,9 +50,6 @@ class Command:
         swappy.stdin.write(sc_data)
         swappy.stdin.close()
 
-        if freeze_proc:
-            freeze_proc.kill()
-
     def fullscreen(self) -> None:
         sc_data = subprocess.check_output(["grim", "-"])