Fix canonical branch popover width — radicle-explorer

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           <IconSmall name="branch" />
           <div class="identifier">{project.defaultBranch}</div>
         </Button>
         <div class="txt-small" slot="popover">
         <div class="txt-small" slot="popover" style:width="13.5rem">
           <div style:margin-bottom="1rem">
             You are currently browsing the canonical branch.
           </div>
           <div>If you want to browse a specific branch,</div>
           <div>you need to select the desired remote first.</div>
           If you want to browse a specific branch, you need to select the desired
           remote first.
         </div>
       </HoverPopover>
     {:else}