Fix copying of the reduced Planck constant

Please see https://en.wikipedia.org/wiki/H_with_stroke

src/core/glyphlist.js

@@ -3069,6 +3069,8 @@ const getGlyphsUnicode = getLookupTableFactory(function (t) {
   t.pikatakana = 0x30d4;
   t.pisymbolgreek = 0x03d6;
   t.piwrarmenian = 0x0583;
+  t.planckover2pi = 0x210f;
+  t.planckover2pi1 = 0x210f;
   t.plus = 0x002b;
   t.plusbelowcmb = 0x031f;
   t.pluscircle = 0x2295;

test/pdfs/reduced_planck_constant.pdf.link

@@ -0,0 +1 @@
+https://github.com/py-pdf/pypdf/files/12145090/hbar.pdf

test/test_manifest.json

@@ -207,6 +207,13 @@
        "link": false,
        "type": "text"
     },
+    {  "id": "reduced_planck_constant",
+       "file": "pdfs/reduced_planck_constant.pdf",
+       "md5": "54636f82714926335da5cec6d92d6482",
+       "rounds": 1,
+       "link": true,
+       "type": "text"
+    },
     {  "id": "issue1293",
        "file": "pdfs/issue1293r.pdf",
        "md5": "4a098f5051f34fab036f5bbe88f8deef",