[Task]: Polishing the database exploration dialog

### What needs to happen?

Add a search filter that optionally supports wildcards.
Add icon display based on the database type.
Move the Refresh action to the toolbar.
Remove the large buttons and keep only the context menu.
Do not include the connection name in the title (to avoid having to save/restore the dialog box dimensions for each connection)
Expand/Collapse by double-clicking
Fix SqlEditor

### Issue Priority

Priority: 3

### Issue Component

Component: Hop Gui