Fix torrent addition dialog layout problem (Closes #84650522)

(cherry picked from commit 0a0033b242)

Changelog

@@ -1,6 +1,7 @@
 * Unreleased - Christophe Dumez <chris@qbittorrent.org> - v2.9.3
     - BUGFIX: Fix btdigg plugin (Python3 support + torrent name in magnet links)
     - BUGFIX: Fix banning of IPv6 peers (Closes #885021)
+    - BUGFIX: Fix torrent addition dialog layout problem (Closes #84650522)
     - I18N: Add Georgian translation
 
 * Sat Oct 29 2011 - Christophe Dumez <chris@qbittorrent.org> - v2.9.2

src/torrentadditiondlg.ui

@@ -2,6 +2,14 @@
 <ui version="4.0">
  <class>addTorrentDialog</class>
  <widget class="QDialog" name="addTorrentDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>434</width>
+    <height>598</height>
+   </rect>
+  </property>
   <property name="windowTitle">
    <string>Torrent addition dialog</string>
   </property>
@@ -21,7 +29,7 @@
     </widget>
    </item>
    <item>
-    <layout class="QFormLayout" name="formLayout">
+    <layout class="QGridLayout" name="gridLayout">
      <item row="0" column="0">
       <widget class="QLabel" name="savePathLbl">
        <property name="text">
@@ -33,6 +41,12 @@
       <layout class="QHBoxLayout" name="horizontalLayout_2">
        <item>
         <widget class="QComboBox" name="savePathTxt">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="editable">
           <bool>true</bool>
          </property>
@@ -278,12 +292,6 @@
    </item>
    <item>
     <layout class="QHBoxLayout">
-     <property name="spacing">
-      <number>6</number>
-     </property>
-     <property name="margin">
-      <number>0</number>
-     </property>
      <item>
       <spacer>
        <property name="orientation">