fix: remove controlling, check valid

Controlling means claims, not channels. We do want to make sure they are valid though.

dist/bundle.es.js

@@ -1559,7 +1559,7 @@ const doCheckSubscription = (subscriptionUri, shouldNotify) => (dispatch, getSta
     channel_name: subscriptionUri,
     page: 1,
     page_size: PAGE_SIZE,
-    is_controlling: true,
+    valid_channel_signatures: true,
     order_by: ['release_time']
   }).then(result => {
     const {

dist/bundle.js

@@ -2554,7 +2554,7 @@ var doCheckSubscription = function doCheckSubscription(subscriptionUri, shouldNo
       channel_name: subscriptionUri,
       page: 1,
       page_size: constants_claim__WEBPACK_IMPORTED_MODULE_0__["PAGE_SIZE"],
-      is_controlling: true,
+      valid_channel_signatures: true,
       order_by: ['release_time']
     }).then(function (result) {
       var claimsInChannel = result.items; // may happen if subscribed to an abandoned channel or an empty channel

src/redux/actions/subscriptions.js

@@ -161,7 +161,7 @@ export const doCheckSubscription = (subscriptionUri: string, shouldNotify?: bool
     channel_name: subscriptionUri,
     page: 1,
     page_size: PAGE_SIZE,
-    is_controlling: true,
+    valid_channel_signatures: true,
     order_by: ['release_time'],
   }).then(result => {
     const { items: claimsInChannel } = result;