Fix unbound local variable after exception inside with statement (PY-13919)

Change control flow to make it more correct for with statement. Handle special case for Unbound local variable inspection and add tests

python/testData/codeInsight/controlflow/withraiseexception.py

@@ -0,0 +1,7 @@
+
+with context_manager:
+    if c:
+        raise ValueError
+    val = c
+
+print(val)

python/testData/codeInsight/controlflow/withraiseexception.txt

@@ -0,0 +1,15 @@
+0(1) element: null
+1(2) element: PyWithStatement
+2(3) READ ACCESS: context_manager
+3(4) element: PyIfStatement
+4(5,9) READ ACCESS: c
+5(6) element: PyStatementList. Condition: c:true
+6(7) ASSERTTYPE ACCESS: c
+7(8) element: PyRaiseStatement
+8(12,14) READ ACCESS: ValueError
+9(10) element: PyAssignmentStatement
+10(11) READ ACCESS: c
+11(12) WRITE ACCESS: val
+12(13) element: PyPrintStatement
+13(14) READ ACCESS: val
+14() element: null