[java-intention] BreakConverter#process fixed

isRemovable must be called before any modifications. Otherwise, previous modifications may affect its results.

GitOrigin-RevId: d05be1e54ba62e5ac18003bf54dab2abb16124ce

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convertSwitchToIf/afterBreakInIfBranches.java

@@ -0,0 +1,16 @@
+// "Replace 'switch' with 'if'" "true"
+class X {
+  void test(int x) {
+    if (x > 0) {
+        if (x == 1) {
+            if (Math.random() > 0.5) {
+                System.out.println(1);
+            } else {
+            }
+        } else if (x == 2) {
+            System.out.println(2);
+        }
+    }
+    System.out.println("Exit");
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convertSwitchToIf/beforeBreakInIfBranches.java

@@ -0,0 +1,20 @@
+// "Replace 'switch' with 'if'" "true"
+class X {
+  void test(int x) {
+    if (x > 0) {
+      swi<caret>tch (x) {
+        case 1:
+          if (Math.random() > 0.5) {
+            System.out.println(1);
+            break;
+          } else {
+            break;
+          }
+        case 2:
+          System.out.println(2);
+          break;
+      }
+    }
+    System.out.println("Exit");
+  }
+}