FIR CFG: revise edge kind between local func node and fun enter node

so that local function enter node can be visited by FIR CFA

#KT-42814 Fixed

compiler/fir/analysis-tests/testData/resolveWithStdlib/contracts/fromSource/bad/callsInPlace/inLocalFunction.dot

@@ -31,8 +31,7 @@ digraph inLocalFunction_kt {
     }
     0 -> {1};
     1 -> {2};
-    2 -> {3};
-    2 -> {7} [color=red];
+    2 -> {7 3};
     2 -> {7} [style=dashed];
     3 -> {4};
     4 -> {5};