[FIX] l10n_fr_fec: Fix missing colspan

Since the recent css change the text of the description field was no taking all the place he could, so it was impossible to read, thanks to the colspan it's now the way it was intended

closes odoo/odoo#108714

Task: task-3103640
X-original-commit: b35485ddbb0567ff129e9da863a29bdc66df34eb
Signed-off-by: William André (wan) <wan@odoo.com>
Signed-off-by: Julien Alardot (jual) <jual@odoo.com>

addons/l10n_fr_fec/wizard/account_fr_fec_view.xml

@@ -23,12 +23,12 @@
                 </page>
                 <page string="Technical Info" name="technical_info">
                     <group>
-                        <div>
+                        <div colspan="2">
                         The encoding of this text file is UTF-8. The structure of file is CSV separated by pipe '|'.
                         </div>
                     </group>
                     <group>
-                        <table style="width:80%">
+                        <table style="width:80%" colspan="2">
                             <tr>
                                 <th>Technical Name</th>
                                 <th>Column</th>
@@ -40,8 +40,7 @@
                             </tr>
                             <tr>
                                 <td>JournalLib</td>
-                                <td>
-                                    # 1</td>
+                                <td># 1</td>
                             </tr>
                             <tr>
                                 <td>EcritureNum</td>
@@ -49,8 +48,7 @@
                             </tr>
                             <tr>
                                 <td>EcritureDate</td>
-                                <td>
-                                    # 3</td>
+                                <td># 3</td>
                             </tr>
                             <tr>
                                 <td>CompteNum</td>