Fix: web ide text color in dark theme

Update the Web IDE CSS to fix
the text in dark themes by
setting the correct color

Changelog: changed
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/76046

app/assets/stylesheets/page_bundles/ide.scss

@@ -904,6 +904,7 @@ $ide-commit-header-height: 48px;
   .sidebar-context-title {
     white-space: nowrap;
     display: block;
+    color: var(--ide-text-color, $gl-text-color);
 
     &.text-secondary {
       font-weight: normal;
@@ -964,6 +965,10 @@ $ide-commit-header-height: 48px;
       margin: 0;
     }
   }
+
+  .gl-tab-content {
+    color: var(--ide-text-color, $gl-text-color);
+  }
 }
 
 .ide-pipeline-header {