Merge HeatingNPN/HeatingPNP with NPN/PNP

[beutlich]

This is the last missing conversion to finally close #2899.

[HansOlsson]

Looks good now.
I noticed that the manual conversion is slightly smarter than the automatic one in that useHeatPort=true is removed, but I don't see how we could handle that without an extension of the conversion - and I don't think that extension is worth the effort.

[christiankral]

• I tested the conversion script
• I tested the examples Modelica.Electrical.Analog.Examples.HeatingNPN_NORGate and Modelica.Electrical.Analog.Examples.HeatingPNP_NORGate
• I tested the old MSL 3.2.3 heating bipolar transistor models against the new models with non-default parameters
• I checked the code

I found no discrepancy, so the PR is OK from my side

[beutlich]

I noticed that the manual conversion is slightly smarter than the automatic one in that useHeatPort=true is removed, but I don't see how we could handle that without an extension of the conversion

I thought that removing modifiers already is possible, see for example

ModelicaStandardLibrary/Modelica/Resources/Scripts/Conversion/ConvertModelica_from_3.2.3_to_4.0.0.mos

Lines 419 to 422 in 7a963bc

	convertModifiers({"Modelica.Mechanics.MultiBody.Joints.Prismatic"},
	{"s_offset"}, fill("", 0), true);
	convertModifiers({"Modelica.Mechanics.MultiBody.Joints.Revolute"},
	{"phi_offset"}, fill("", 0), true);

[HansOlsson]

I noticed that the manual conversion is slightly smarter than the automatic one in that useHeatPort=true is removed, but I don't see how we could handle that without an extension of the conversion

I thought that removing modifiers already is possible, see for example

I was unclear: removing useHeatPort-modifier in general would be easy, but removing it only when it was true is a bit trickier.