[Qt] update form files for setting autoDefault explicitly to false

- also fixes indentation in one file (auto fixed by Qt Designer)
- removes several default parameters, which are not needed in the files
- related to #4840 (but not intended as fix for a no-bug)

src/qt/forms/openuridialog.ui

@@ -31,8 +31,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QValidatedLineEdit" name="uriEdit">
-      </widget>
+      <widget class="QValidatedLineEdit" name="uriEdit"/>
      </item>
      <item>
       <widget class="QPushButton" name="selectFileButton">
@@ -42,6 +41,9 @@
        <property name="text">
         <string notr="true">…</string>
        </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
       </widget>
      </item>
     </layout>