Remove CISA region filter for portfolio and try to add sticky bar for portfolio

src/registrar/assets/sass/_theme/_admin.scss

@@ -556,6 +556,43 @@ button .usa-icon,
     }
 }
 
+/* Sticky submit bar for Portfolio page on desktop */
+@media screen and (min-width:768px) {
+    .portfolio-submit-row-wrapper {
+        position: fixed;
+        bottom: 0;
+        right: 0;
+        left: 338px; /* Adjust this value according to your layout */
+        background: var(--darkened-bg); /* Use a suitable background color */
+        border-top-left-radius: 6px;
+        transition: transform .2s ease-out;
+    }
+    .portfolio-submit-row-wrapper--collapsed {
+        transform: translate3d(0, 88px, 0);
+    }
+    .portfolio-submit-row {
+        clear: both;
+    }
+    .portfolio-submit-row-toggle {
+        display: inline-block;
+        position: absolute;
+        top: -30px;
+        right: 0;
+        background: var(--darkened-bg);
+    }
+    #portfolioSubmitRowToggle {
+        color: var(--body-fg);
+    }
+    .portfolio-requested-domain-sticky {
+        max-width: 325px;
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+        font-size: medium;
+        padding-top: 3px !important;
+    }
+}
+
 .visible-768 {
     display: none;
 }
@@ -580,6 +617,19 @@ button .usa-icon,
     }
 }
 
+@media screen and (min-width:935px) {
+    /* Analyst-only class for Portfolio page */
+    .portfolio-submit-row-wrapper--analyst-view {
+        @include portfolio-submit-row-wrapper--collapsed-one-line();
+    }
+}
+
+@media screen and (min-width:1256px) {
+    .portfolio-submit-row-wrapper {
+        @include portfolio-submit-row-wrapper--collapsed-one-line();
+    }
+}
+
 // Collapse button styles for fieldsets
 .module.collapse--dgfieldset {
     margin-top: -35px;

src/registrar/templates/django/admin/includes/detail_table_fieldset.html

@@ -330,7 +330,7 @@ This is using a custom implementation fieldset.html (see admin/fieldset.html)
             </details>
         {% endif %}
         {% endwith %}
-    {% elif field.field.name == "state_territory" %}
+    {% elif field.field.name == "state_territory" and original_object|model_name != 'portfolio' %}
         <div class="flex-container margin-top-2">
             <span>
                 CISA region:

src/registrar/templates/django/admin/portfolio_change_form.html

@@ -1,4 +1,5 @@
 {% extends 'django/admin/email_clipboard_change_form.html' %}
+{% load custom_filters %}
 {% load i18n static %}
 
 {% block content %}
@@ -21,3 +22,21 @@
         {% include "django/admin/includes/detail_table_fieldset.html" with original_object=original %}
     {% endfor %}
 {% endblock %}
+
+{% block submit_buttons_bottom %}
+    <div class="portfolio-submit-row-wrapper">
+        <span class="portfolio-submit-row-toggle padding-1 padding-right-2 visible-desktop">
+            <button type="button" id="portfolioSubmitRowToggle">
+                <svg class="usa-icon" aria-hidden="true" focusable="false" role="img" width="24" height="24">
+                    <use xlink:href="{% static 'img/sprite.svg' %}#expand_more"></use>
+                </svg>
+                <span>Hide</span>
+            </button>
+        </span>
+        <p class="portfolio-requested-domain-sticky">
+            HELLO WORLD: <strong>{{ original.requested_domain.name }}</strong>
+        </p>
+        {{ block.super }}
+    </div>
+    <span class="scroll-indicator"></span>
+{% endblock %}

src/registrar/templatetags/custom_filters.py

@@ -169,3 +169,8 @@ def has_contact_info(user):
         return False
     else:
         return bool(user.title or user.email or user.phone)
+
+
+@register.filter
+def model_name(instance):
+    return instance.__class__.__name__.lower()