Top and left canvas sides are not affected by enabled autobounding.

[Nikita Zlobin <nick87720z gmail com>]

For now i made it impossible to move modules out of these two sides,
later - still hope, that they may be expanded manually, just by setting
properties of canvas object, and fix it by self for some time (at least
for gtk2 version).


Imho, such restriction doesn't make any good sence.