feat(cliprdr): add clipboard data locking methods #1064
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The server uses `ironrdp_tokio::reqwest::ReqwestNetworkClient` in accept_credssp but the reqwest feature was not enabled, causing compilation to fail. Fixes Devolutions#1062
Per MS-RDPECLIP sections 2.2.4.6 and 2.2.4.7, the Local Clipboard Owner may lock the Shared Clipboard Owner's clipboard data before requesting file contents. This ensures data stability during multi-request file transfers. Adds lock_clipboard() and unlock_clipboard() methods with corresponding ClipboardMessage variants for server integration.
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Per MS-RDPECLIP sections 2.2.4.6 and 2.2.4.7, the Local Clipboard
Owner may lock the Shared Clipboard Owner's clipboard data before requesting
file contents to ensure data stability during multi-request transfers.
This enables server implementations to safely request file data from clients
when handling clipboard paste operations.
Changes
SendLockClipboard/SendUnlockClipboardmessage variants inClipboardMessagelock_clipboard()/unlock_clipboard()methods onCliprdr<R>Dependencies
Depends on #1063 (reqwest feature fix) to compile.