FIR DFA: use class enter node as data flow source for members

Also fix graphs for enums with specialized entries - since we don't
create property subgraphs for FirEnumEntry, there is no body to insert
AnonymousObjectEnterNode, AnonymousObjectExitNode, and
AnonymousObjectExpressionExitNode into.

compiler/fir/analysis-tests/testData/resolve/cfg/annotatedLocalClass.dot

@@ -79,13 +79,12 @@ digraph annotatedLocalClass_kt {
     16 -> {17} [style=dotted];
     17 -> {18} [style=dotted];
     18 -> {19};
-    18 -> {25} [color=red];
-    19 -> {20};
-    19 -> {23} [color=green];
+    19 -> {20 23};
     19 -> {23} [style=dashed];
     20 -> {21};
     21 -> {22};
     23 -> {24} [color=green];
+    23 -> {25} [color=red];
     24 -> {25} [color=green];
     24 -> {25} [style=dashed];
     25 -> {26};

compiler/fir/analysis-tests/testData/resolve/cfg/innerClassInAnonymousObject.dot

@@ -44,18 +44,19 @@ digraph innerClassInAnonymousObject_kt {
         2 [label="Exit function <init>" style="filled" fillcolor=red];
     }
     14 -> {15};
-    14 -> {0 3 6} [color=red];
-    15 -> {12} [color=green];
+    15 -> {12};
     15 -> {16} [color=red];
     15 -> {12} [style=dashed];
     16 -> {17};
     17 -> {18};
     12 -> {13} [color=green];
+    12 -> {0 10} [color=red];
     13 -> {0 10 16} [color=green];
     13 -> {0 10} [style=dashed];
     0 -> {1};
     1 -> {2};
     10 -> {11} [color=green];
+    10 -> {3 6} [color=red];
     11 -> {3 6} [color=green];
     11 -> {3 6} [style=dashed];
     3 -> {4};

compiler/fir/analysis-tests/testData/resolve/cfg/localClassesWithImplicit.dot

@@ -351,12 +351,9 @@ digraph localClassesWithImplicit_kt {
     19 -> {20} [style=dotted];
     20 -> {21} [style=dotted];
     21 -> {22};
-    21 -> {31 34 71 90} [color=red];
-    22 -> {23};
-    22 -> {29} [color=green];
-    22 -> {99 102 139 158} [color=red];
+    22 -> {23 29};
     22 -> {29} [style=dashed];
-    23 -> {97} [color=green];
+    23 -> {97};
     23 -> {24} [color=red];
     23 -> {97} [style=dashed];
     24 -> {25};
@@ -364,6 +361,7 @@ digraph localClassesWithImplicit_kt {
     26 -> {27};
     27 -> {28};
     29 -> {30} [color=green];
+    29 -> {31 34 71 90} [color=red];
     30 -> {31 34 71 90} [color=green];
     30 -> {31 34 71 90} [style=dashed];
     31 -> {32};
@@ -436,6 +434,7 @@ digraph localClassesWithImplicit_kt {
     94 -> {95} [style=dotted];
     95 -> {96} [style=dotted];
     97 -> {98} [color=green];
+    97 -> {99 102 139 158} [color=red];
     98 -> {24 99 102 139 158} [color=green];
     98 -> {99 102 139 158} [style=dashed];
     99 -> {100};

compiler/fir/analysis-tests/testData/resolve/cfg/propertiesAndInitBlocks.dot

@@ -114,12 +114,11 @@ digraph propertiesAndInitBlocks_kt {
     }
     58 -> {59};
     59 -> {60};
-    59 -> {66 73} [color=red];
-    60 -> {61};
-    60 -> {63} [color=green];
+    60 -> {61 63};
     60 -> {63} [style=dashed];
     61 -> {62};
     63 -> {64} [color=green];
+    63 -> {66 73} [color=red];
     64 -> {66} [color=green];
     64 -> {65} [style=dotted];
     64 -> {66} [style=dashed];
@@ -210,10 +209,8 @@ digraph propertiesAndInitBlocks_kt {
     24 -> {25};
     25 -> {26};
     26 -> {27 33};
-    26 -> {47 55} [color=red];
     26 -> {33} [style=dashed];
-    27 -> {28};
-    27 -> {44} [color=green];
+    27 -> {28 44};
     27 -> {44} [style=dashed];
     28 -> {29};
     29 -> {30} [style=dotted];
@@ -231,6 +228,7 @@ digraph propertiesAndInitBlocks_kt {
     41 -> {42} [style=dotted];
     42 -> {43} [style=dotted];
     44 -> {45} [color=green];
+    44 -> {47 55} [color=red];
     45 -> {47} [color=green];
     45 -> {46} [style=dotted];
     45 -> {47} [style=dashed];

compiler/fir/analysis-tests/testData/resolve/smartcasts/smartcastInByClause.dot

@@ -192,8 +192,7 @@ digraph smartcastInByClause_kt {
     39 -> {40};
     40 -> {41};
     41 -> {42};
-    41 -> {53 59 64 67} [color=red];
-    42 -> {49} [color=green];
+    42 -> {49};
     42 -> {43} [color=red];
     42 -> {49} [style=dashed];
     43 -> {44};
@@ -203,6 +202,7 @@ digraph smartcastInByClause_kt {
     46 -> {47} [style=dotted];
     47 -> {48} [style=dotted];
     49 -> {50} [color=green];
+    49 -> {53 59 64 67} [color=red];
     50 -> {53} [color=green];
     50 -> {51} [style=dotted];
     50 -> {53} [style=dashed];