Make displaynames with spaces work

src/commands/SetDisplayNameCommand.ts

@@ -1,5 +1,5 @@
 import { defineInterfaceCommand, findTableCommand } from "./interface-manager/InterfaceCommand";
-import { ParsedKeywords, findPresentationType, parameters } from "./interface-manager/ParameterParsing";
+import { ParsedKeywords, RestDescription, findPresentationType, parameters } from "./interface-manager/ParameterParsing";
 import { MjolnirContext } from "./CommandHandler";
 import { CommandError, CommandResult } from "./interface-manager/Validation";
 import { tickCrossRenderer } from "./interface-manager/MatrixHelpRenderer";
@@ -10,19 +10,19 @@ defineInterfaceCommand({
     table: "mjolnir",
     designator: ["displayname"],
     summary: "Sets the displayname of the draupnir instance to the specified value in all rooms.",
-    parameters: parameters([
-        {
-            name: 'displayname',
-            acceptor: findPresentationType("string"),
-            description: 'The displayname to set.'
-        }
-    ]),
+    parameters: parameters(
+        [],
+        new RestDescription<MjolnirContext>(
+            "displayname",
+            findPresentationType("string"),
+        ),
+    ),
     command: execSetDisplayNameCommand
 })
 
 // !draupnir displayname <displayname>
-export async function execSetDisplayNameCommand(this: MjolnirContext, _keywords: ParsedKeywords, displayname: string): Promise<CommandResult<any>> {
-
+export async function execSetDisplayNameCommand(this: MjolnirContext, _keywords: ParsedKeywords, displaynameParts: string[]): Promise<CommandResult<any>> {
+    const displayname = displaynameParts.join(' ');
     try {
         await this.client.setDisplayName(displayname);
     } catch (e) {
@@ -30,7 +30,6 @@ export async function execSetDisplayNameCommand(this: MjolnirContext, _keywords:
         return CommandError.Result(`Failed to set displayname to ${displayname}: ${message}`)
     }
 
-
     return CommandResult.Ok(undefined);
 }