FIR CFG: remove ordering from control flow through in-place lambdas

Old graph:

  arg -> lambda enter -> ... -> lambda exit -> lambda enter -> ... ->
   -> lambda exit -> call

New graph:

  arg -+-> lambda enter -> ... -> lambda exit -+-> call
       \-> lambda enter -> ... -> lambda exit -/

compiler/fir/analysis-tests/testData/resolveWithStdlib/smartcasts/tryWithLambdaInside.dot

@@ -105,7 +105,7 @@ finally {
     14 -> {15};
     15 -> {16};
     16 -> {17};
-    17 -> {18 31};
+    17 -> {18 31 19};
     17 -> {31} [style=dashed];
     18 -> {19};
     18 -> {17} [color=green style=dashed];
@@ -195,7 +195,7 @@ finally {
     39 -> {40};
     40 -> {41};
     41 -> {42};
-    42 -> {43 56};
+    42 -> {43 56 44};
     42 -> {56} [style=dashed];
     43 -> {44};
     44 -> {45};