3D View: preference to disable selection cycling on first click

Object mode selection does a kind of cycling that excludes the active
selected object. This is separate from regular selection cycling which
is enabled when clicking multiple times without moving the cursor.

This has the down-side that clicking on an object to drag it always
selects the object behind it (in the case of overlapping objects).

Since object mode selection is fundamental functionality, this is
exposed as an experimental preference for user feedback & testing.

See T96752 for details.

release/scripts/startup/bl_ui/space_userpref.py

@@ -2261,6 +2261,7 @@ class USERPREF_PT_experimental_new_features(ExperimentalPanel, Panel):
             context, (
                 ({"property": "use_sculpt_vertex_colors"}, "T71947"),
                 ({"property": "use_sculpt_tools_tilt"}, "T82877"),
+                ({"property": "use_select_nearest_on_first_click"}, "T96752"),
                 ({"property": "use_extended_asset_browser"}, ("project/view/130/", "Project Page")),
                 ({"property": "use_override_templates"}, ("T73318", "Milestone 4")),
                 ({"property": "use_named_attribute_nodes"}, ("T91742")),