osx: load the proper profiles and configs in the bundle

different shells need different args to load the expected profiles and
configs, so we added a small heuristic to decide those args. also don't
always load the profiles for a bash login shell and instead only use the
standard shell without any args.

TOOLS/osxbundle/mpv.app/Contents/MacOS/mpv-wrapper.sh

@@ -1,4 +1,13 @@
-#!/bin/bash -l
+#!/bin/sh
 export MPVBUNDLE="true"
+
+# set the right args for the user specified standard shell
+# to load the expected profiles and configs
+args="-c"
+case "$SHELL" in
+    *bash) args="-l $args";;
+    *zsh) args="-l -i $args";;
+esac
+
 cd "$(dirname "$0")"
-$SHELL -c "./mpv --player-operation-mode=pseudo-gui"
+$SHELL $args "./mpv --player-operation-mode=pseudo-gui"