Update to CEF 74.1.19

- Converted almost all the demos to Lazarus thanks to avra
- Reorganized "demos" directory.

demos/Delphi_VCL/JavaScript/JSWindowBindingSubProcess/00-DeleteDCUs.bat

@@ -0,0 +1,18 @@
+del /s /q *.dcu
+del /s /q *.exe
+del /s /q *.res
+del /s /q *.rsm
+del /s /q *.log
+del /s /q *.dsk
+del /s /q *.identcache
+del /s /q *.stat
+del /s /q *.local
+del /s /q *.~*
+rmdir Win32\Debug
+rmdir Win32\Release
+rmdir Win32
+rmdir Win64\Debug
+rmdir Win64\Release
+rmdir Win64
+rmdir __history
+rmdir __recovery