Fix/read variable size matrices and optionals

Fixes the following issues:

• reading of MatrixXf was not possible. A memory copy failed as it was assumed that the Matrix was already initialized.
• reading of std::optional in NlohmannJsonReaderWithoutTypeCheck

source/RobotAPI/libraries/aron/codegeneration/codegenerator/codewriter/cpp/generator/ndarray/Matrix.cpp

@@ -119,7 +119,7 @@ namespace armarx::aron::codegenerator::cpp::generator
             block_if_data->addLine(cppAccessor + nextEl() + "resize(" + dims + ".at(0), " + dims + ".at(1));");
         }
 
-        block_if_data->addLine("assert(" + cppAccessor + nextEl() + "rows() == " + dims + ".at(0) && " + cppAccessor + nextEl() + "cols() == " + dims + ".at(1) && \"Dimensions of member '"+cppAccessor+"' do not match (simox::alg::to_string(dims, ',')). Got (" + cppAccessor + nextEl() + "rows(), " + cppAccessor + nextEl() + "cols()) instead.\");");
+        block_if_data->addLine("ARMARX_CHECK(" + cppAccessor + nextEl() + "rows() == " + dims + ".at(0) and " + cppAccessor + nextEl() + "cols() == " + dims + ".at(1)) << \"Dimensions of member '"+cppAccessor+"' do not match (simox::alg::to_string(dims, ',')). Got (" + cppAccessor + nextEl() + "rows(), " + cppAccessor + nextEl() + "cols()) instead.\";");
         block_if_data->addLine("std::memcpy(reinterpret_cast<unsigned char*>(" + cppAccessor + nextEl() + "data()), "+data+".data(), "+data+".size());");
         return resolveMaybeReadBlock(block_if_data, cppAccessor, variantAccessor);
     }