[Reg -> 6.2 24226bb5f595581a239356c18a338783a85349ca]: QLineEdit clear button and embedded icons are way too large

Steps to reproduce

• Launch examples/widgets/tools/regularexpression or qtbase/examples/widgets/gallery
• Note clear buttons and embedded icons in line edits are way too large and distorted

  Theme:
    Platforms requested : kde,generic
              available : snap,flatpak,xdgdesktopportal
    Styles requested    : Breeze,breeze,Oxygen,Fusion,windows
           available    : Windows,Fusion
    Icon theme          : breeze, breeze from /home/.local/share/icons,/usr/share/icons,/var/lib/snapd/desktop/icons
    System font         : "Sans Serif" 9
  
  Fonts:
    General font : "Sans Serif" 9
    Fixed font   : "monospace" 9
    Title font   : "Arimo" 12
    Smallest font: "Arimo" 12
  
  Screens: 1, High DPI scaling: inactive
  # 0 "DVI-D-0" Depth: 24 Primary: yes
    Manufacturer: Iiyama North America
    Model: PL2206W-
    Serial number: 11011M9800242
    Geometry: 1680x1050+0+0 Available: 1680x1014+0+0
    Physical size: 478x300 mm  Refresh: 59.9543 Hz Power state: 0
    Physical DPI: 89.272,88.9 Logical DPI: 96,96 Subpixel_None
    DevicePixelRatio: 1
    Primary orientation: 2 Orientation: 2 Native orientation: 0