console: respect maximum console history (#11162)

The commit fixes #10598 by ensuring that the console history respects the maximum number of entries.
Before the change, the history was not being properly trimmed resulting in the history growing.

Signed-off-by: Shehan Atukorala<[email protected]>

Author: ShehanAT

CHANGELOG.md

@@ -4,9 +4,11 @@
 
 - [Previous Changelogs](https://github.com/eclipse-theia/theia/tree/master/doc/changelogs/)
 
+
 ## v.1.26.0
 
 - [plugin] Introduce `DebugSession#workspaceFolder` [#11090](https://github.com/eclipse-theia/theia/pull/11090) - Contributed on behalf of STMicroelectronics
+- [console] fixed issue in Debug console where console history was not being trimmed in accordance with the maximum commands limit [#10598](https://github.com/eclipse-theia/theia/pull/10598)
 
 ## v1.25.0 - 4/28/2022
 

packages/console/src/browser/console-history.ts

@@ -39,7 +39,7 @@ export class ConsoleHistory {
     protected trim(): void {
         const index = this.values.length - ConsoleHistory.limit;
         if (index > 0) {
-            this.values.slice(index);
+            this.values = this.values.slice(index);
         }
     }