Fix save as scenario for Dialogue.

Add GameCall as fallback mechanism for dialog implementation if no local function is defined.

(cherry picked from commit 13a60848c6140b846bdcc9da1b4948925a6ff5c9)
selecting the clonks via hotkey was all backwards (#1031)

e.g. pressing ctrl+3 selected 1st clonk if there are 3 in the crew

(cherry picked from commit 3a8c8d7c3b72acd25d126e3faff6138dd02c519b)
fix possible block in tutorial 2 (#1036)