Update contrib Add-ons to changed Preference API

add_dimension.py

amaranth/animation/frame_current.py

amaranth/animation/jump_frames.py

amaranth/animation/timeline_extra_info.py

amaranth/node_editor/display_image.py

amaranth/scene/refresh.py

amaranth/scene/save_reload.py

amaranth/scene/stats.py

animation_motion_trail.py

cacharanth/util.py

cmu_mocap_browser/__init__.py

cmu_mocap_browser/data.py

cmu_mocap_browser/download.py

cmu_mocap_browser/makehuman.py

curve_tools/__init__.py

data_overrides/util.py

exact_edit/xedit_free_rotate.py

exact_edit/xedit_set_meas.py

io_import_LRO_Lola_MGS_Mola_img.py

lighting_hdri_shortcut/__init__.py