fix(Core): potential crashes/bugs reported by static analysis #2 (#2622)

src/common/Collision/Models/WorldModel.cpp

@@ -115,8 +115,8 @@ namespace VMAP
         iTilesY = other.iTilesY;
         iCorner = other.iCorner;
         iType = other.iType;
-        delete iHeight;
-        delete iFlags;
+        delete[] iHeight;
+        delete[] iFlags;
         if (other.iHeight)
         {
             iHeight = new float[(iTilesX+1)*(iTilesY+1)];

src/common/Configuration/Config.cpp

@@ -171,7 +171,7 @@ std::list<std::string> ConfigMgr::GetKeysByString(std::string const& name)
         {
             std::string temp = key_name.c_str();
 
-            if (!temp.find(name))
+            if (temp.find(name) != std::string::npos)
                 keys.push_back(temp);
         }
     }