crash reporter: add EarlyExceptionsQueue

`util.send_exception_to_crash_reporter` is now useful and can be transparently
used even before the exception hook is set up.

electrum/gui/qt/__init__.py

@@ -403,8 +403,6 @@ class ElectrumGui(Logger):
         signal.signal(signal.SIGINT, lambda *args: self.app.quit())
         # hook for crash reporter
         Exception_Hook.maybe_setup(config=self.config)
-        if self.daemon.exception:  # if daemon errored too early, replay that now:
-            send_exception_to_crash_reporter(self.daemon.exception)
         # first-start network-setup
         try:
             self.init_network()

electrum/gui/qt/exception_window.py

@@ -31,7 +31,7 @@ from PyQt5.QtWidgets import (QWidget, QLabel, QPushButton, QTextEdit,
                              QMessageBox, QHBoxLayout, QVBoxLayout)
 
 from electrum.i18n import _
-from electrum.base_crash_reporter import BaseCrashReporter
+from electrum.base_crash_reporter import BaseCrashReporter, EarlyExceptionsQueue
 from electrum.logging import Logger
 from electrum import constants
 from electrum.network import Network
@@ -172,6 +172,7 @@ class Exception_Hook(QObject, Logger):
 
         sys.excepthook = self.handler
         self._report_exception.connect(_show_window)
+        EarlyExceptionsQueue.set_hook_as_ready()
 
     @classmethod
     def maybe_setup(cls, *, config: 'SimpleConfig', wallet: 'Abstract_Wallet' = None) -> None: