Fix props clobbering

Fixes #1755

.size-snapshot.json

@@ -1,13 +1,13 @@
 {
   "dist/index.js": {
-    "bundled": 108222,
-    "minified": 51353,
-    "gzipped": 13489
+    "bundled": 108184,
+    "minified": 51333,
+    "gzipped": 13486
   },
   "dist/index.es.js": {
-    "bundled": 107379,
-    "minified": 50603,
-    "gzipped": 13336,
+    "bundled": 107341,
+    "minified": 50583,
+    "gzipped": 13333,
     "treeshaked": {
       "rollup": {
         "code": 80,

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 7.0.0-rc.8
 
 - Fix an issue where `useResizeColumns` would crash when using the resizer prop getter
+- Fix an issue where `useBlockLayout` was clobbering props sent to headers
 
 ## 7.0.0-rc.7
 

src/plugin-hooks/useResizeColumns.js

@@ -192,12 +192,10 @@ const useInstanceBeforeDimensions = instance => {
     state: { columnResizing },
   } = instance
 
-  getHeaderProps.push(() => {
-    return {
-      style: {
-        position: 'relative',
-      },
-    }
+  getHeaderProps.push({
+    style: {
+      position: 'relative',
+    },
   })
 
   const getInstance = useGetLatest(instance)