replace distutils find_executable with custom version

openpype/lib/applications.py

@@ -35,8 +35,10 @@ from .python_module_tools import (
     modules_from_path,
     classes_from_module
 )
-from .execute import get_linux_launcher_args
-
+from .execute import (
+    find_executable,
+    get_linux_launcher_args
+)
 
 _logger = None
 
@@ -646,7 +648,7 @@ class ApplicationExecutable:
     def _realpath(self):
         """Check if path is valid executable path."""
         # Check for executable in PATH
-        result = distutils.spawn.find_executable(self.executable_path)
+        result = find_executable(self.executable_path)
         if result is not None:
             return result