Add "Bake Action" to Animation tab of 3D View Toolbar.

This is based on the rationale here, in order to begin giving a more complete set of animation tools to the toolbar: https://developer.blender.org/file/data/hlt2vtyqo4iqwookyack/PHID-FILE-ghcjwtxvl7siwidxlw6b/3D_View_Object_Mode_Tools.png

release/scripts/startup/bl_ui/space_view3d_toolbar.py

@@ -270,6 +270,11 @@ class VIEW3D_PT_tools_animation(View3DPanel, Panel):
         row.operator("object.paths_calculate", text="Calculate")
         row.operator("object.paths_clear", text="Clear")
 
+        col.separator()
+        
+        col.label(text="Action:")
+        col.operator("nla.bake", text="Bake Action")
+
 class VIEW3D_PT_tools_rigidbody(View3DPanel, Panel):
     bl_category = "Physics"
     bl_context = "objectmode"