try this

k8s/applications/templates/argocd.yaml

@@ -15,6 +15,7 @@ spec:
     syncPolicy:
       syncOptions:
         - ServerSideApply=true
+        - Replace=true
       # automated: 
       #   prune: true 
       #   allowEmpty: false
@@ -24,3 +25,4 @@ spec:
           duration: 5s 
           factor: 2 
           maxDuration: 3m 
+   

k8s/applications/templates/cert-manager.yaml

@@ -13,6 +13,10 @@ spec:
     targetRevision: {{ .Values.gitBranch }}
   project: default
   syncPolicy:
+    syncOptions:
+      - CreateNamespace=true
+      - ServerSideApply=true
+      - Replace=true
     automated: 
       prune: true 
       allowEmpty: false

k8s/applications/templates/monitoring.yaml

@@ -18,6 +18,7 @@ spec:
     syncOptions:
       - CreateNamespace=true
       - ServerSideApply=true
+      - Replace=true
     automated: 
       prune: true 
     retry:

k8s/argocd/base/applications.yaml

@@ -15,6 +15,7 @@ spec:
     syncOptions:
       - CreateNamespace=true
       - ServerSideApply=true
+      - Replace=true
     automated: 
       prune: true 
     retry:

k8s/argocd/overlays/production/applications.yaml

@@ -18,6 +18,7 @@ spec:
     syncOptions:
       - CreateNamespace=true
       - ServerSideApply=true
+      - Replace=true
     automated: 
       prune: true 
       allowEmpty: false

k8s/argocd/overlays/staging/applications.yaml

@@ -18,6 +18,7 @@ spec:
     syncOptions:
       - CreateNamespace=true
       - ServerSideApply=true
+      - Replace=true
     automated: 
       prune: true 
       allowEmpty: false