Fix Breeze failing with error on Windows

When breeze is run on Windows it fails with FileNotFoundException
when running uname during emulation check. This is now fixed alongside
fixing TimeoutError misplacement - after moving it to local import,
an exception triggered before importing it causes UnboundLocaalError.

Related: apache#30405 (comment)

Fixes: apache#30465

dev/breeze/src/airflow_breeze/commands/main_command.py

@@ -138,15 +138,21 @@ def check_for_python_emulation():
             )
             from inputimeout import TimeoutOccurred, inputimeout
 
-            user_status = inputimeout(
-                prompt="Are you REALLY sure you want to continue? (answer with y otherwise we exit in 20s)\n",
-                timeout=20,
-            )
-            if user_status.upper() not in ["Y", "YES"]:
+            try:
+                user_status = inputimeout(
+                    prompt="Are you REALLY sure you want to continue? "
+                    "(answer with y otherwise we exit in 20s)\n",
+                    timeout=20,
+                )
+                if user_status.upper() not in ["Y", "YES"]:
+                    sys.exit(1)
+            except TimeoutOccurred:
+                from airflow_breeze.utils.console import get_console
+
+                get_console().print("\nNo answer, exiting...")
                 sys.exit(1)
-    except TimeoutOccurred:
-        get_console().print("\nNo answer, exiting...")
-        sys.exit(1)
+    except FileNotFoundError:
+        pass
     except subprocess.CalledProcessError:
         pass
     except PermissionError: