GPII-364, GPII-365: "Removed dynamic: true" from adjusters
that do not use model values.
GPII-364, GPII-365: Some styling corrections.
Better width manipulation for adjusters.
Brought back "dynamic: true" for followingElement and magnifierPosition styling invokers; it is needed there.
GPII-364, GPII-365: Better adjuster groups' header styling.
GPII-364: Better styling for "Colour theme" adjuster.
GPII-365: Better styling for "Cursor size" adjuster.
GPII-364, GPII-365: Minor styling change for onOffSwitchAdjuster.
GPII-364, GPII-365: Adjuster groups are sized with flex.
Corrected contrast theme indicator after that.
GPII-364, GPII-365: Updated adjuster version for PCP
with recent styling changes.
GPII-364, GPII-365: Removed commented out rules from CSS.