ENH: turbulentTemperatureRadCoupledMixed: add postprocessing elements

Summary

Two postprocessing elements were added into the turbulentTemperatureRadCoupledMixed BC:

• Add the writeFile functionality.
• Enable the calculation of heat-transfer coefficient fields.

Risks

• No change in existing input.
  • Two new optional keywords: logInterval and verbose (see the header file.)
• No change in existing output.

Metadata

• linux64ClangDPInt32Opt (clang13)
• linux64GccDPInt32Opt
• linux64GccSPDPInt64Debug
• Alltest: No new error/No change in existing output
• Test case: MR608-02Jun2023-test.zip