jsinspector: refactor domain notifications implementation (facebook#54244)

Summary:
Pull Request resolved: facebook#54244

# Changelog: [Internal]

Refactors the logic a bit.

We will use `Runtime` domain as a signal for installation of `console.createTask()` implementation.

Differential Revision: D85274860

Author: hoxyq

packages/react-native/ReactCommon/jsinspector-modern/RuntimeTarget.h

@@ -331,6 +331,22 @@ class JSINSPECTOR_EXPORT RuntimeTarget : public EnableExecutorFromThis<RuntimeTa
    */
   void notifyDomainStateChanged(Domain domain, bool enabled, const RuntimeAgent &notifyingAgent);
 
+  /**
+   * Processes the changes to the state of a given domain.
+   *
+   * Returns a pair of booleans:
+   *   1. Returns true, if an only if the given domain state changed locally,
+   *   for a given session.
+   *   2. Returns true, if and only if the given domain state changed globally:
+   *   when the given Agent is the only Agent that enabled given domain across
+   *   sessions, or when the only Agent that had this domain enabled has
+   *   disconnected.
+   */
+  std::pair<bool, bool> processDomainChange(
+      Domain domain,
+      bool enabled,
+      const RuntimeAgent& notifyingAgent);
+
   /**
    * Processes the changes to the state of a given domain.
    *