[pitivi] data: Restrict clipproperties dimensions to positive values

[Alexandru Băluț <alexbalut src gnome org>]

commit b43edcd93246b1d9170e579bba28df3c395a10b4
Author: Sean Yeh <109418+seanyeh users noreply github com>
Date:   Wed May 12 08:04:58 2021 -0500

    data: Restrict clipproperties dimensions to positive values
    
    Fixes #2555

 data/ui/cliptransformation.ui | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/ui/cliptransformation.ui b/data/ui/cliptransformation.ui
index 337d3bed9..b4e4b839d 100644
--- a/data/ui/cliptransformation.ui
+++ b/data/ui/cliptransformation.ui
@@ -4,7 +4,7 @@
   <requires lib="gtk+" version="3.10"/>
   <object class="GtkActionGroup" id="actiongroup1"/>
   <object class="GtkAdjustment" id="height_adjustment">
-    <property name="lower">-9999999999</property>
+    <property name="lower">1</property>
     <property name="upper">9999999999</property>
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
@@ -27,7 +27,7 @@
     <property name="page_increment">10</property>
   </object>
   <object class="GtkAdjustment" id="width_adjustment">
-    <property name="lower">-9999999999</property>
+    <property name="lower">1</property>
     <property name="upper">9999999999</property>
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>