Adjust type annots in binance and IB symbol mods

Namely, again switching `|`-union syntax to rm adjacent white space.

Also, flip to multiline style for threshold comparison in
`.binance.feed` and change gap-check threshold to `timeframe` (vs
a hardcoded `60`s) in the `get_ohlc()` closure.

(this commit msg was generated in some part by [`claude-code`][claude-code-gh])
[claude-code-gh]: https://github.com/anthropics/claude-code

piker/brokers/ib/symbols.py

@@ -489,7 +489,6 @@ def con2fqme(
 @async_lifo_cache()
 async def get_mkt_info(
     fqme: str,
-
     proxy: MethodProxy|None = None,
 
 ) -> tuple[MktPair, ibis.ContractDetails]:
@@ -551,7 +550,7 @@ async def get_mkt_info(
         size_tick: Decimal = Decimal(
             str(details.minSize).rstrip('0')
         )
-        # |-> TODO: there is also the Contract.sizeIncrement, bt wtf is it?
+        # ?TODO, there is also the Contract.sizeIncrement, bt wtf is it?
 
     # NOTE: this is duplicate from the .broker.norm_trade_records()
     # routine, we should factor all this parsing somewhere..