Fix minimized IIfa window height

Author Baertram <pz1@gmx.net>
Author date 2018-06-25 09:43:58
Author local date 2018-06-25 11:43:58 +0200
Committer GitHub <noreply@github.com>
Committer date 2018-06-25 09:43:58
Committer local date 2018-06-25 11:43:58 +0200
Commit 34026bbddfa2d3e62f0e05d1e7bfb68cd4070c71
Tree d97a563dc235faf5b31d9d625ae0ae48c1544632
Parent 7c3d4e66deae19c5b3d157420aa4debecb091eb7
Fix minimized IIfa window height

Fix the height of the IIfA inventory list as it get's minimized. The icons were shown below the lower border.
Maybe decrease the "lock" icon's size a bit as it seems to be pretty big compared to the other icons.