Set ctrl-shift-v to properties to stop it crashing VTE

Some VTE versions crash if paste happens with focus outside the window, bind the accelerator to something innocuous in Geany to override it outside the VTE window.

src/keybindings.c

@@ -345,7 +345,7 @@ static void init_default_kb(void)
 		GDK_KEY_s, GDK_SHIFT_MASK | GEANY_PRIMARY_MOD_MASK, "menu_saveall", _("Save all"),
 		"menu_save_all1");
 	add_kb(group, GEANY_KEYS_FILE_PROPERTIES, NULL,
-		0, 0, "file_properties", _("Properties"), "properties1");
+		GDK_KEY_v, GDK_SHIFT_MASK | GEANY_PRIMARY_MOD_MASK, "file_properties", _("Properties"), "properties1");
 	add_kb(group, GEANY_KEYS_FILE_PRINT, NULL,
 		GDK_KEY_p, GEANY_PRIMARY_MOD_MASK, "menu_print", _("Print"), "print1");
 	add_kb(group, GEANY_KEYS_FILE_CLOSE, NULL,