Core: Enable compiling with MSVC /permissive- (#11014)

* Base: Fixes for MSVC permissive-

* App: Fixes for MSVC permissive-

* Gui: Fixes for MSVC permissive-

* Main: Fixes for MSVC permissive-

* Fem: Fixes for MSVC permissive-

* Material: Fixes for MSVC permissive-

* Part: Fixes for MSVC permissive-

* Mesh: Fixes for MSVC permissive-

* Points: Fixes for MSVC permissive-

* Robot: Fixes for MSVC permissive-

* TechDraw: Fixes for MSVC permissive-

* Path: Fixes for MSVC permissive-

* Core; Changes per review comments

* TD: Revision from wandererfan

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/Mod/Part/App/BSplineCurvePyImp.cpp

@@ -795,9 +795,9 @@ PyObject* BSplineCurvePy::approximate(PyObject *args, PyObject *kwds)
     Standard_Integer degMin = 3;
     Standard_Integer degMax = 8;
     Standard_Integer segMax = 8;
-    char *continuity = "C2";
+    const char *continuity = "C2";
     double tol3d = 1e-3;
-    char *parType = "ChordLength";
+    const char *parType = "ChordLength";
     PyObject *par = nullptr;
     double weight1 = 0;
     double weight2 = 0;