Bugfix/disabled buttons in assistant component (#6471)

* Fix signal accessors

* Update changelog

CHANGELOG.md

@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Removed the deprecated `committedFunds` from the summary of the portfolio details endpoint
 - Upgraded `Nx` from version `22.4.5` to `22.5.3`
 
+### Fixed
+
+- Fixed an issue where the apply and reset filter buttons remained disabled in the assistant
+
 ## 2.245.0 - 2026-03-01
 
 ### Changed

libs/ui/src/lib/assistant/assistant.html

@@ -197,7 +197,7 @@
           mat-button
           type="button"
           [disabled]="
-            !portfolioFilterForm.hasFilters() || portfolioFilterForm.disabled
+            !portfolioFilterForm.hasFilters() || portfolioFilterForm.disabled()
           "
           (click)="onResetFilters()"
         >
@@ -210,7 +210,7 @@
           type="button"
           [disabled]="
             !portfolioFilterForm.filterForm.dirty ||
-            portfolioFilterForm.disabled
+            portfolioFilterForm.disabled()
           "
           (click)="onApplyFilters()"
         >