Merge pull request #17353 from edx/aj/LEARNER-3186

Updates the Branch IO Mobile App banner to not show in the web app

lms/templates/main.html

@@ -139,7 +139,7 @@ from pipeline_mako import render_require_js_path_overrides
 % endif
 
 <% branch_key = static.get_value("BRANCH_IO_KEY", settings.BRANCH_IO_KEY) %>
-% if branch_key:
+% if branch_key and not is_from_mobile_app:
     <script type="text/javascript">
         (function(b,r,a,n,c,h,_,s,d,k){if(!b[n]||!b[n]._q){for(;s<_.length;)c(h,_[s++]);d=r.createElement(a);d.async=1;d.src="https://cdn.branch.io/branch-latest.min.js";k=r.getElementsByTagName(a)[0];k.parentNode.insertBefore(d,k);b[n]=h}})(window,document,"script","branch",function(b,r){b[r]=function(){b._q.push([r,arguments])}},{_q:[],_v:1},"addListener applyCode banner closeBanner creditHistory credits data deepview deepviewCta first getCode init link logout redeem referrals removeListener sendSMS setBranchViewData setIdentity track validateCode".split(" "), 0);
         branch.init('${branch_key | n, js_escaped_string}');