HaikuDepot: Adjust some hard-coded font sizes.

src/apps/haikudepot/ui/PackageListView.cpp

@@ -741,7 +741,7 @@ public:
 		fItemCount(0)
 	{
 		BFont font(be_plain_font);
-		font.SetSize(9.0f);
+		font.SetSize(font.Size() * 0.75f);
 		SetFont(&font);
 
 		SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
@@ -751,7 +751,7 @@ public:
 		// constantly calculating the size is expensive so here a sensible
 		// upper limit on the number of packages is arbitrarily chosen.
 		fMinSize = BSize(StringWidth(_DeriveLabel(999999)) + 10,
-			B_H_SCROLL_BAR_HEIGHT);
+			be_control_look->GetScrollBarWidth());
 	}
 
 	virtual BSize MinSize()

src/apps/haikudepot/ui/UserUsageConditionsWindow.cpp

@@ -168,7 +168,7 @@ UserUsageConditionsWindow::_InitUiControls()
 		BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
 
 	BFont versionFont(be_plain_font);
-	versionFont.SetSize(9.0);
+	versionFont.SetSize(versionFont.Size() * 0.75f);
 
 	fVersionStringView = new BStringView("version string view",
 		PLACEHOLDER_TEXT);