disable split into decl 7/ assignment for conflicting names (IDEA-173787)

for statement induces another declaration parent where another local variable could have been declared

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/splitDeclaration/beforeForLoopConflictingLocal.java

@@ -0,0 +1,9 @@
+// "Split into declaration and assignment" "false"
+class Test {
+  {
+      for (int i<caret>=0; i<10; i++) {
+          System.out.println();
+      }
+      int i = 0;
+  }
+}