Fixes ledger calculation when you don't have any unpinned sites

Resolves brave#8102

Auditors: @mrose17 @bradleyrichter

Test Plan:
- Go to payments and add two publishers
- Pin one and exclude the second one
- Set 60 % for a pinned publisher
- Value should be adjusted to 100%

app/ledger.js

@@ -1131,7 +1131,7 @@ var synopsisNormalizer = (changedPublisher) => {
   underscore.keys(synopsis.publishers).forEach((publisher) => {
     if (!visibleP(publisher)) return
 
-    results.push(underscore.extend({ publisher: publisher }, underscore.omit(synopsis.publishers[publisher], 'window')))
+    results.push(underscore.extend({publisher: publisher}, underscore.omit(synopsis.publishers[publisher], 'window')))
   }, synopsis)
   results = underscore.sortBy(results, (entry) => { return -entry.scores[scorekeeper] })
 
@@ -1178,6 +1178,13 @@ var synopsisNormalizer = (changedPublisher) => {
 
     dataPinned.push(changedObject)
 
+    // sync app store
+    appActions.changeLedgerPinnedPercentages(dataPinned)
+  } else if (dataUnPinned.length === 0 && pinnedTotal < 100) {
+    // when you don't have any unpinned sites and pinned total is less then 100 %
+    dataPinned = normalizePinned(dataPinned, pinnedTotal, 100, false)
+    dataPinned = roundToTarget(dataPinned, 100, 'pinPercentage')
+
     // sync app store
     appActions.changeLedgerPinnedPercentages(dataPinned)
   } else {

test/about/ledgerTableTest.js

@@ -148,6 +148,19 @@ describe('Ledger table', function () {
         }, 5000)
         .waitForVisible(`${firstTableFirstRow} [data-switch-status="true"]`)
     })
+
+    it('check pinned sites amount, when you have 0 eligible unpinned sites', function * () {
+      yield this.app.client
+        .tabByIndex(0)
+        .click(`${secondTableFirstRow} [data-test-pinned="false"]`)
+        .waitForVisible(`${firstTableFirstRow} [data-test-pinned="true"]`)
+        .click(`${firstTableFirstRow} [data-test-id="pinnedInput"]`)
+        .keys([Brave.keys.DELETE, Brave.keys.DELETE, '60', Brave.keys.ENTER])
+        .waitForInputText(`${firstTableFirstRow} [data-test-id="pinnedInput"]`, '60')
+        .waitForTextValue(`${secondTableSecondRow} [data-test-id="percentageValue"]`, '40')
+        .click(`${secondTableSecondRow} .switchBackground`)
+        .waitForInputText(`${firstTableFirstRow} [data-test-id="pinnedInput"]`, '100')
+    })
   })
 
   describe('4 publishers', function () {