[PM-9035] desktop build logic to provide credentials to os on sync (#10181)

* feat: scaffold desktop_objc

* feat: rename fido2 to autofill

* feat: scaffold electron autofill

* feat: auto call hello world on init

* feat: scaffold call to basic objc function

* feat: simple log that checks if autofill is enabled

* feat: adding some availability guards

* feat: scaffold services and allow calls from inspector

* feat: create custom type for returning strings across rust/objc boundary

* chore: clean up comments

* feat: enable ARC

* feat: add util function `c_string_to_nsstring`

* chore: refactor and rename to `run_command`

* feat: add try-catch around command execution

* feat: properly implement command calling

Add static typing. Add proper error handling.

* feat: add autoreleasepool to avoid memory leaks

* chore: change objc names to camelCase

* fix: error returning

* feat: extract some helper functions into utils class

* feat: scaffold status command

* feat: implement status command

* feat: implement password credential mapping

* wip: implement sync command

This crashes because we are not properly handling the fact that `saveCredentialIdentities` uses callbacks, resulting in a race condition where we try to access a variable (result) that has already gotten dealloc'd.

* feat: first version of callback

* feat: make run_command async

* feat: functioning callback returns

* chore: refactor to make objc code easier to read and use

* feat: refactor everything to use new callback return method

* feat: re-implement status command with callback

* fix: warning about CommandContext not being FFI-safe

* feat: implement sync command using callbacks

* feat: implement manual password credential sync

* feat: add auto syncing

* docs: add todo

* feat: add support for passkeys

* chore: move desktop autofill service to init service

* feat: auto-add all .m files to builder

* fix: native build on unix and windows

* fix: unused compiler warnings

* fix: napi type exports

* feat: add corresponding dist command

* feat: comment signing profile until we fix signing

* fix: build breaking on non-macOS platforms

* chore: cargo lock update

* chore: revert accidental version change

* feat: put sync behind feature flag

* chore: put files in autofill folder

* fix: obj-c code not recompiling on changes

* feat: add `namespace` to commands

* fix: linting complaining about flag

* feat: add autofill as owner of their objc code

* chore: make autofill owner of run_command in core crate

* fix: re-add napi annotation

* fix: remove dev bypass

apps/desktop/desktop_native/objc/src/native/run_command.m

@@ -0,0 +1,39 @@
+#import <Foundation/Foundation.h>
+#import "autofill/run_autofill_command.h"
+#import "interop.h"
+#import "utils.h"
+
+void pickAndRunCommand(void* context, NSDictionary *input) {
+  NSString *namespace = input[@"namespace"];
+
+  if ([namespace isEqual:@"autofill"]) {
+    return runAutofillCommand(context, input);
+  }
+
+  _return(context, _error([NSString stringWithFormat:@"Unknown namespace: %@", namespace]));
+}
+
+/// [Callable from Rust]
+/// Runs a command with the given input JSON
+/// This function is called from Rust and is the entry point for running Objective-C code.
+/// It takes a JSON string as input, deserializes it, runs the command, and serializes the output.
+/// It also catches any exceptions that occur during the command execution.
+void runCommand(void *context, char* inputJson) {
+  @autoreleasepool {
+    @try {
+      NSString *inputString = cStringToNSString(inputJson);
+
+      NSError *error = nil;
+      NSDictionary *input = parseJson(inputString, error);
+      if (error) {
+        NSLog(@"Error occured while deserializing input params: %@", error);
+        return _return(context, _error([NSString stringWithFormat:@"Error occured while deserializing input params: %@", error]));
+      }
+
+      pickAndRunCommand(context, input);
+    } @catch (NSException *e) {
+      NSLog(@"Error occurred while running Objective-C command: %@", e);
+      _return(context, _error([NSString stringWithFormat:@"Error occurred while running Objective-C command: %@", e]));
+    }
+  }
+}