[fix] stop swallowing ProcessCanceledException (#8117)

`ProcessCanceledException`s need to be rethrown so that the IDEA
infrastructure can handle them properly.


![image](https://github.com/user-attachments/assets/722f1b68-e540-48e1-886f-c12e5406c7a7)




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portions to this PR.

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Author: pq

flutter-idea/src/io/flutter/run/FlutterDebugProcess.java

@@ -138,12 +138,16 @@ private static void suppressDebugViews(@Nullable RunnerLayoutUi ui) {
 
     final String name = XDebuggerBundle.message("debugger.session.tab.console.content.name");
     for (Content c : ui.getContents()) {
-      if (!Objects.equals(c.getTabName(), name)) {
+      if (c != null && !Objects.equals(c.getTabName(), name)) {
         try {
-          ApplicationManager.getApplication().invokeAndWait(() -> ui.removeContent(c, false /* dispose? */));
+          var application = ApplicationManager.getApplication();
+          if (application != null) {
+            application.invokeAndWait(() -> ui.removeContent(c, false /* dispose? */));
+          }
         }
         catch (ProcessCanceledException e) {
           FlutterUtils.warn(LOG, e);
+          throw e;
         }
       }
     }