[FDateField] Caret appears above popover

[runoob-coder]

Describe the bug
When the FDateField is positioned at the bottom of the page, its popover is obscured by the on-screen keyboard. Additionally, after the popover overlaps the FDateField, the field's cursor (caret) appears above the popover, causing a visual layering issue.

To Reproduce

ScreenRecording_03-18-2026.01-55-12_1.MP4

Expected behavior

Screenshots

Device (please complete the following information):

• Flutter version: 3.44.1
• Forui version: 0.20.0

Additional context
Add any other context about the problem here.

[Pante]

When the FDateField is positioned at the bottom of the page, its popover is obscured by the on-screen keyboard.

Additionally, after the popover overlaps the FDateField, the field's cursor (caret) appears above the popover, causing a visual layering issue.

Good catch! I think the first one is a fairly straightfoward fix, second one is pretty complicated.