Implement wildcard for skill search

Change the search functionality in the skills gui, to view a whitespace as a wildcard (from: https://git.h2t.iar.kit.edu/orga/software-organization/-/issues/403)

source/RobotAPI/libraries/skills_gui/memory/SkillManagerWrapper.cpp

@@ -63,7 +63,9 @@ namespace armarx::skills::gui
         {
             size_t occurance = skillName.find(substring, index);
             if (occurance == std::string::npos)
+            {
                 return false;
+            }
 
 
             // we found an occurance