[BUGFIX] Fix stray "Constants" label in tstemplate info module

An invalid site-set fluid condition was added in #103439
that cause the site-set related label to also be printed
for `sys_template` record where a button was to be
shown instead.

Releases: main
Resolves: #103629
Related: #103439
Change-Id: I44b970a5fcc9bd84abe12301b98b6967da92e7dc
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83783
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Reviewed-by: Oliver Bartsch <bo@cedev.de>

typo3/sysext/tstemplate/Resources/Private/Templates/InfoModifyMain.html

@@ -137,7 +137,7 @@ <h1>
                             <core:icon identifier="actions-open" /> <f:translate key="LLL:EXT:tstemplate/Resources/Private/Language/locallang_info.xlf:table.column.constants" />
                         </be:link.editRecord>
                     </f:if>
-                    <f:if condition="{templateRecord.type} = 'site'">
+                    <f:if condition="{templateRecord.type} == 'site'">
                             <f:translate key="LLL:EXT:tstemplate/Resources/Private/Language/locallang_info.xlf:table.column.constants" />
                     </f:if>
                 </td>