change wording of platform admin toggle to positive rather than negative

CHS Approved Wording 👍

also rename suppress_platform_admin -> disable_platform_admin_view in
the backend, as suppress is a kinda weird word.

app/main/views/user_profile.py

@@ -1,6 +1,13 @@
 import json
 
-from flask import current_app, redirect, render_template, session, url_for, abort
+from flask import (
+    abort,
+    current_app,
+    redirect,
+    render_template,
+    session,
+    url_for,
+)
 from flask_login import current_user, login_required
 from notifications_utils.url_safe_token import check_token
 
@@ -195,24 +202,24 @@ def user_profile_password():
     )
 
 
-@main.route("/user-profile/suppress-platform-admin", methods=['GET', 'POST'])
+@main.route("/user-profile/disable-platform-admin-view", methods=['GET', 'POST'])
 @login_required
-def user_profile_suppress_platform_admin():
-    if not current_user.platform_admin and not session.get('suppress_platform_admin'):
+def user_profile_disable_platform_admin_view():
+    if not current_user.platform_admin and not session.get('disable_platform_admin_view'):
         abort(403)
 
     form = ServiceOnOffSettingForm(
-        name="This setting will be cleared if you sign out and sign in again",
-        enabled=session.get('suppress_platform_admin', False),
-        truthy='Yes (view as regular user)',
-        falsey='No (view as platform admin)',
+        name="Signing in again clears this setting",
+        enabled=not session.get('disable_platform_admin_view'),
+        truthy='Yes',
+        falsey='No',
     )
 
     if form.validate_on_submit():
-        session['suppress_platform_admin'] = form.enabled.data
+        session['disable_platform_admin_view'] = not form.enabled.data
         return redirect(url_for('.user_profile'))
 
     return render_template(
-        'views/user-profile/suppress-platform-admin.html',
+        'views/user-profile/disable-platform-admin-view.html',
         form=form
     )