Update src/GitHub.InlineReviews/InlineReviewsPackage.vsct

Co-Authored-By: laurentkempe <laurent.kempe@techheadbrothers.com>

Author: jcansdale

src/GitHub.InlineReviews/InlineReviewsPackage.vsct

@@ -67,6 +67,7 @@
       <Button guid="guidPullRequestFilterCommandPackageCmdSet" id="PullRequestFilterCommandId" priority="0x0400" type="Button">
         <Parent guid="guidSHLMainMenu" id="IDG_VS_TOOLBAR_PROJWIN_FILTERS" />
         <Icon guid="guidGitHubInlineReviews" id="pullrequest" />
+        <CommandFlag>IconIsMoniker</CommandFlag>
         <Strings>
           <ButtonText>Pull Request Filter</ButtonText>
         </Strings>