fix(helm): ensure tools deployment honors release name (kagent-dev#1416)

Replacement for kagent-dev#1192 since that seems to have gone stale.

Fixes kagent-dev#1190

Signed-off-by: Brian Fox <878612+onematchfox@users.noreply.github.com>

Author: onematchfox

helm/kagent/values.yaml

@@ -223,8 +223,8 @@ kmcp:
 # ==============================================================================
 
 kagent-tools:
-  fullnameOverride: kagent-tools
   enabled: true
+  nameOverride: tools
   replicaCount: 1
   resources:
     requests: