allow props to pass through to underlying Popper component (#83)

Author: what-is-a-crow

.size-snapshot.json

@@ -1,20 +1,20 @@
 {
   "dist/cjs/react-popper-tooltip.js": {
-    "bundled": 14528,
-    "minified": 7979,
-    "gzipped": 2340
+    "bundled": 14884,
+    "minified": 8278,
+    "gzipped": 2420
   },
   "dist/esm/react-popper-tooltip.js": {
-    "bundled": 14489,
-    "minified": 7955,
-    "gzipped": 2335,
+    "bundled": 14846,
+    "minified": 8260,
+    "gzipped": 2416,
     "treeshaked": {
       "rollup": {
-        "code": 172,
-        "import_statements": 152
+        "code": 236,
+        "import_statements": 216
       },
       "webpack": {
-        "code": 8654
+        "code": 8937
       }
     }
   }

src/TooltipTrigger.tsx

@@ -61,7 +61,8 @@ class TooltipTrigger extends Component<
       usePortal,
       portalContainer,
       followCursor,
-      getTooltipRef
+      getTooltipRef,
+      ...restProps
     } = this.props;
 
     const popper = (
@@ -82,6 +83,7 @@ class TooltipTrigger extends Component<
           }),
           ...modifiers
         }}
+        {...restProps}
       >
         {({
           ref,