Convert inline models in Sim.Params fields to SPICE syntax.

Fixes https://gitlab.com/kicad/code/kicad/issues/14157

(cherry picked from commit 14f1f3ec79)

eeschema/sim/sim_model_raw_spice.cpp

@@ -104,7 +104,7 @@ std::string SPICE_GENERATOR_RAW_SPICE::ItemParams() const
     for( const SIM_MODEL::PARAM& param : GetInstanceParams() )
     {
         if( param.info.name == "model" )
-            result.append( " " + param.value );
+            result.append( " " + SIM_VALUE::ToSpice( param.value ) );
     }
 
     return result;