fix: Remove fallback empty string for value

- Might cause issue if the value is 0 (a number)

(cherry picked from commit 305628b)

frappe/public/js/frappe/views/reports/print_grid.html

@@ -36,8 +36,8 @@ <h2>{{ __(title) }}</h2>
 			</td>
 			{% for col in columns %}
 				{% if col.name && col._id !== "_check" %}
-					{% var value = col.fieldname ? row[col.fieldname] : row[col.id] || "" %}
-					{% var longest_word = value.split(' ').reduce((longest, word) => word.length > longest.length ? word : longest, ''); %}
+					{% var value = col.fieldname ? row[col.fieldname] : row[col.id] %}
+					{% var longest_word = cstr(value).split(' ').reduce((longest, word) => word.length > longest.length ? word : longest, ''); %}
 					<td {% if row.bold == 1 %} style="font-weight: bold" {% endif %} {% if longest_word.length > 45 %} class="overflow-wrap-anywhere" {% endif %}>
 						<span {% if col._index == 0 %} style="padding-left: {%= cint(row.indent) * 2 %}em" {% endif %}>
 							{% format_data = row.is_total_row && ["Currency", "Float"].includes(col.fieldtype) ? data[0] : row %}