Since the creative mode filter and the normal inventory filter are 2 different systems yet both menus use the same input field, it causes problemsCreative mode and a normal inventory share the same search filter's content.
It seems the designIt's annoying when you search for something in creative mode and go back to your normal inventory has the same issue, that it's still there.
Using the filter of your normal inventory will carry over to the creative mode inventory, but it will also use the old filter "grey-out" system tooHowever, together with the new one where blocks disappear from the list.
{F2953}
becomes this in creative mode if you don't remove the filter before clicking this menuhaving both filters separate might not be the best solution.
{F2955}
It should look like this in creative mode
{F2957}A quick reset "X" in the filter menu (next to the symbol at the right of the input field) that wipes data should be good enough. Also let it auto focus on that field.