View3D: New tool 'Extrude, Dissolve and Intersect'

Basically this new tool constitutes a macro that uses the parameters of
the Extrude and Translate operators that were recently implemented.

Thanks to @CandleComet for initial implementation.

Differential Revision: https://developer.blender.org/D7222

release/scripts/startup/bl_ui/space_toolsystem_toolbar.py

@@ -670,6 +670,20 @@ class _defs_edit_mesh:
             draw_settings=_template_widget.VIEW3D_GGT_xform_extrude.draw_settings,
         )
 
+    @ToolDef.from_fn
+    def extrude_dissolve_and_intersect():
+        return dict(
+            idname="builtin.extrude_dissolve_and_intersect",
+            label="Extrude Dissolve and Intersect",
+            description=(
+                "Extrude, dissolves edges whose faces form a flat surface and intersect new edges"
+            ),
+            icon="none",
+            widget="VIEW3D_GGT_tool_generic_handle_normal",
+            operator="view3d.edit_mesh_extrude_dissolve_and_intersect",
+            keymap=(),
+        )
+
     @ToolDef.from_fn
     def extrude_normals():
         def draw_settings(_context, layout, tool):
@@ -2114,6 +2128,7 @@ class VIEW3D_PT_tools_active(ToolSelectPanelHelper, Panel):
             None,
             (
                 _defs_edit_mesh.extrude,
+                _defs_edit_mesh.extrude_dissolve_and_intersect,
                 _defs_edit_mesh.extrude_normals,
                 _defs_edit_mesh.extrude_individual,
                 _defs_edit_mesh.extrude_cursor,