Cannot set value of dropdown in on_change

[jeb192004]

Duplicate Check

• I have searched the opened issues and there are no duplicates

Describe the bug

when attempting to set the value of a dropdown, the value after changed ends up empty.

if i print the value after setting it, it does print the value i changed it to.

If i do not attempt to set a value, it does use the text from the selected option as the value and correctly displays that.

Code sample

Code

def drop_change(e):
        print(e.control.value)
        e.control.value="show this instead of the actual value"
        page.update()
        print("changed val", e.control.value)#this does print "show this instead of the actual value" but it does not appear in the dropdown after changed
        
update_frequency_dropdown = ft.Dropdown(
        width=300,
        options=[
            ft.dropdown.Option("Once a day(default)"),
            ft.dropdown.Option("Once a week"), 
            ft.dropdown.Option("Once a month")
            ],
        label="Update Frequency",
        on_change=lambda e: drop_change(e)
    )

To reproduce

run the code snippet i shared

Expected behavior

i expect the value set to replace the label in the dropdown after its selected. similar to how the selected option value would replace the label in the dropdown after selected(screenshot).

Screenshots / Videos

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Operating System

macOS

Operating system details

latest

Flet version

0.25.2

Regression

I'm not sure / I don't know

Suggestions

No response

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Additional details

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