Adopt the text we check on when switching focus after applying or reverting

the value, otherwise it would not work correctly in some tricky conditions,
inserting unnecessary undo steps or none at all for example when changing a
value, applying and then changing it back manually and switching focus.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34848 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/icon-o-matic/generic/gui/InputTextView.cpp

@@ -65,9 +65,11 @@ InputTextView::KeyDown(const char* bytes, int32 numBytes)
 			case B_ESCAPE:
 				// revert any typing changes
 				RevertChanges();
+				fTextBeforeFocus = Text();
 				break;
 			case B_RETURN:
 				ApplyChanges();
+				fTextBeforeFocus = Text();
 				break;
 			default:
 				handled = false;