Fixed shebang to explicitly call python3 instead of python - unrolled broken changes to ControlsDesktop

Author: mvdw73

samples/ControlsDesktop/controlsdemo.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #----------------------------------------------------------------------------------
 # Name:        CtrlsDemoFrm
 # Purpose:     More demonstration showing more controls, with more properties and 

samples/HelloDelphiFMX.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #----------------------------------------------------------------
 # Name:        HelloDelphiFMX.py
 # Purpose:     Simple DelphiFMX for Python demonstration with OOP

samples/HiDPI/HelloHighDpi.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #----------------------------------------------------------------
 # Name:        hello_highdpi.py
 # Purpose:     Test of High DPI Awareness
@@ -69,4 +69,4 @@ def main():
     Application.MainForm.Destroy()
 
 if __name__ == '__main__':
-    main()
+    main()

samples/PasswordGenerator.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #----------------------------------------------------------------
 # Name:        PasswordGenerator.py
 # Purpose:     Password Generator built with DelphiFMX GUI Framework

samples/Simplest.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #-----------------------------------------------
 # Name:        Simplest.py
 # Purpose:     The simplest demo of Delphi FMX

samples/ToDoList.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #----------------------------------------------------------------
 # Name:        ToDoList.py
 # Purpose:     Simple ToDo List built with Delphi FMX