Don't show "Unavailable on this network" if Swaps button is enabled (#12513)

* Don't show "Unavailable on this network" if Swaps button is enabled

* Hide a tooltip title if tooltip is disabled

* Update a snapshot

ui/components/ui/tooltip/tooltip.js

@@ -80,7 +80,7 @@ export default class Tooltip extends PureComponent {
         size={size}
         offset={offset}
         style={style}
-        title={title}
+        title={disabled ? '' : title}
         trigger={trigger}
         theme={theme}
         tabIndex={tabIndex || 0}

ui/pages/swaps/main-quote-summary/__snapshots__/main-quote-summary.test.js.snap

@@ -51,6 +51,7 @@ exports[`MainQuoteSummary renders the component with initial props 3`] = `
       class=""
       style="display: inline;"
       tabindex="0"
+      title=""
     >
       <span
         class="main-quote-summary__quote-large-number"