* fix(mobile): keep a proxied wss host on :443 when editing
A host paired through a reverse proxy is stored as `wss://desk.example.com`
with no explicit port. Editing it — even to only change the display name —
rewrote the endpoint to `wss://desk.example.com:6768` and stranded the host,
with no warning.
`endpointPort` intentionally reports only explicitly written ports, so it
returns undefined for that endpoint. The edit screen passed that undefined
straight through as `fallbackPort`, where `resolveFallbackPort` substituted
the LAN `DEFAULT_PORT`.
Add `endpointPortOrSchemeDefault`, which falls back to the scheme's implicit
port for wss and leaves bare ws alone so LAN pairings keep landing on
DEFAULT_PORT, and use it for the edit screen's fallback. `normalizeHostEndpoint`
is untouched — filling a missing port from `fallbackPort` is its documented
contract and stays covered by its existing tests.
* review(mobile): preserve untouched host endpoints
* fix(mobile): preserve routed endpoint edits
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Co-authored-by: OrcaWin <293788423+OrcaWin@users.noreply.github.com>
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