add FIXMEs to instances where we don't use the network proxy

so that it at least does not get forgotten

related https://github.com/spesmilo/electrum/issues/4754

electrum/dnssec.py

@@ -137,6 +137,7 @@ def _get_and_validate(ns, url, _type):
 
 
 def query(url, rtype):
+    # FIXME this method is not using the network proxy. (although the proxy might not support UDP?)
     # 8.8.8.8 is Google's public DNS server
     nameservers = ['8.8.8.8']
     ns = nameservers[0]

electrum/plugins/cosigner_pool/qt.py

@@ -53,6 +53,7 @@ if TYPE_CHECKING:
 ca_path = certifi.where()
 ssl_context = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH, cafile=ca_path)
 server = ServerProxy('https://cosigner.electrum.org/', allow_none=True, context=ssl_context)
+# FIXME this is not using the network proxy.
 
 
 class Listener(util.DaemonThread):

electrum/util.py

@@ -1707,6 +1707,7 @@ def list_enabled_bits(x: int) -> Sequence[int]:
 
 
 def resolve_dns_srv(host: str):
+    # FIXME this method is not using the network proxy. (although the proxy might not support UDP?)
     srv_records = dns.resolver.resolve(host, 'SRV')
     # priority: prefer lower
     # weight: tie breaker; prefer higher