TComponentListForm fixes

Original Reporter info from Mantis: kluug.net @onpok

• Reporter name: Ondrej Pokorny

Description:

1.) Don't select an item in OnCreate. This means when you open the dialog the first time and close it, the first component (usually TMainMenu is added onto the form).
2.) Focus and SelectAll of TreeFilterEd in OnShow (undocked IDE).

Additional information:

The supplied patch solves the 2 issues.

Mantis conversion info:

• Mantis ID: 28260
• Build: trunk
• Version: 1.5 (SVN)
• Fixed in revision: r49289 (#6b5589a1)