FEM: rename icon, solver run

src/Mod/Fem/Gui/Resources/Fem.qrc

@@ -71,7 +71,7 @@
         <file>icons/fem-solver-control.svg</file>
         <file>icons/fem-solver-elmer.svg</file>
         <file>icons/fem-solver-inp-editor.svg</file>
-        <file>icons/fem-solver-run.svg</file>
+        <file>icons/FEM_SolverRun.svg</file>
         <file>icons/fem-solver-standard.svg</file>
         <file>icons/preferences-fem.svg</file>
         <file>translations/Fem_af.qm</file>

src/Mod/Fem/femcommands/commands.py

@@ -1053,7 +1053,7 @@ class _SolverRun(CommandManager):
     def __init__(self):
         super(_SolverRun, self).__init__()
         self.resources = {
-            "Pixmap": "fem-solver-run",
+            "Pixmap": "FEM_SolverRun",
             "MenuText": QtCore.QT_TRANSLATE_NOOP(
                 "FEM_SolverRun",
                 "Run solver calculations"