Re #18673 Updated release notes + altered old interface name

Framework/Properties/Mantid.properties.template

@@ -20,7 +20,7 @@ default.instrument =
 Q.convention = Inelastic
 
 # Set of PyQt interfaces to add to the Interfaces menu, separated by a space.  Interfaces are seperated from their respective categories by a "/".
-mantidqt.python_interfaces = Direct/DGS_Reduction.py Direct/DGSPlanner.py Direct/PyChop.py SANS/ORNL_SANS.py Reflectometry/REFL_Reduction.py Reflectometry/REFL_SF_Calculator.py Reflectometry/REFM_Reduction.py Utility/TofConverter.py Reflectometry/ISIS_Reflectometry.py Diffraction/Powder_Diffraction_Reduction.py Utility/FilterEvents.py Diffraction/HFIR_Powder_Diffraction_Reduction.py Diffraction/HFIR_4Circle_Reduction.py Utility/QECoverage.py
+mantidqt.python_interfaces = Direct/DGS_Reduction.py Direct/DGSPlanner.py Direct/PyChop.py SANS/ORNL_SANS.py Reflectometry/REFL_Reduction.py Reflectometry/REFL_SF_Calculator.py Reflectometry/REFM_Reduction.py Utility/TofConverter.py Reflectometry/ISIS_Reflectometry_(Old).py Diffraction/Powder_Diffraction_Reduction.py Utility/FilterEvents.py Diffraction/HFIR_Powder_Diffraction_Reduction.py Diffraction/HFIR_4Circle_Reduction.py Utility/QECoverage.py
 
 mantidqt.python_interfaces_directory = @MANTID_ROOT@/scripts
 

docs/source/release/v3.10.0/reflectometry.rst

@@ -12,12 +12,16 @@ ConvertToReflectometryQ
 Reflectometry Reduction Interface
 ---------------------------------
 
-ISIS Reflectometry (Polref)
-###########################
-
 ISIS Reflectometry
 ##################
 
+- Interface `ISIS Reflectometry (Polref)` has been renamed to `ISIS Reflectometry`.
+
+ISIS Reflectometry (Old)
+########################
+
+- Interface `ISIS Reflectometry` has been renamed to `ISIS Reflectometry (Old)`.
+
 |
 
 `Full list of changes on github <http://github.com/mantidproject/mantid/pulls?q=is%3Apr+milestone%3A%22Release+3.10%22+is%3Amerged+label%3A%22Component%3A+Reflectometry%22>`__

scripts/Interface/ui/reflectometer/refl_window.ui

@@ -14,7 +14,7 @@
    <bool>true</bool>
   </property>
   <property name="windowTitle">
-   <string>ISIS Reflectometry</string>
+   <string>ISIS Reflectometry (Old)</string>
   </property>
   <widget class="QWidget" name="widgetMainRow">
    <layout class="QVBoxLayout" name="layoutBase">