Miscellaneous fixes

* Consistent capitalization in the Studio editor
* Remove dangerous recommendation to delete from the top of the editor
* Stop large images from overflowing feedback popups in Studio

drag_and_drop_v2/public/css/drag_and_drop.css

@@ -396,6 +396,10 @@
     font-size: 14px;
 }
 
+.xblock--drag-and-drop .popup .popup-content img {
+    max-width: 100%;
+}
+
 .xblock--drag-and-drop .popup .close-feedback-popup-button {
     cursor: pointer;
     margin-top: 8px;

drag_and_drop_v2/templates/html/drag_and_drop_edit.html

@@ -6,9 +6,6 @@
 
     <section class="drag-builder">
         <div class="tab feedback-tab">
-            <p class="tab-content">
-                {% trans "Note: do not edit the problem if students have already completed it. Delete the problem and create a new one." %}
-            </p>
 
             <section class="tab-content">
                 <form class="feedback-form">
@@ -71,12 +68,12 @@
                     </div>
 
                     <label class="h4">
-                        <span>{% trans "Introductory Feedback" %}</span>
+                        <span>{% trans "Introductory feedback" %}</span>
                         <textarea class="intro-feedback">{{ self.data.feedback.start }}</textarea>
                     </label>
 
                     <label class="h4">
-                        <span>{% trans "Final Feedback" %}</span>
+                        <span>{% trans "Final feedback" %}</span>
                         <textarea class="final-feedback">{{ self.data.feedback.finish }}</textarea>
                     </label>
                 </form>

drag_and_drop_v2/templates/html/js_templates.html

@@ -142,13 +142,13 @@
         </div>
         <div class="row">
             <label class="h4">
-                <span>{{i18n "Success Feedback"}}</span>
+                <span>{{i18n "Success feedback"}}</span>
                 <textarea class="success-feedback">{{ feedback.correct }}</textarea>
             </label>
         </div>
         <div class="row">
             <label class="h4">
-                <span>{{i18n "Error Feedback"}}</span>
+                <span>{{i18n "Error feedback"}}</span>
                 <textarea class="error-feedback">{{ feedback.incorrect }}</textarea>
             </label>
         </div>

drag_and_drop_v2/translations/en/LC_MESSAGES/text.po

@@ -304,11 +304,11 @@ msgid ""
 msgstr ""
 
 #: templates/html/js_templates.html
-msgid "Success Feedback"
+msgid "Success feedback"
 msgstr ""
 
 #: templates/html/js_templates.html
-msgid "Error Feedback"
+msgid "Error feedback"
 msgstr ""
 
 #: templates/html/js_templates.html
@@ -340,11 +340,11 @@ msgid ""
 msgstr ""
 
 #: templates/html/drag_and_drop_edit.html
-msgid "Introductory Feedback"
+msgid "Introductory feedback"
 msgstr ""
 
 #: templates/html/drag_and_drop_edit.html
-msgid "Final Feedback"
+msgid "Final feedback"
 msgstr ""
 
 #: templates/html/drag_and_drop_edit.html

drag_and_drop_v2/translations/eo/LC_MESSAGES/text.po

@@ -366,12 +366,12 @@ msgstr ""
 "évén ïf thé ïmägé dïd nöt löäd) Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт #"
 
 #: templates/html/js_templates.html
-msgid "Success Feedback"
-msgstr "Süççéss Féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт αм#"
+msgid "Success feedback"
+msgstr "Süççéss féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт αм#"
 
 #: templates/html/js_templates.html
-msgid "Error Feedback"
-msgstr "Érrör Féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт#"
+msgid "Error feedback"
+msgstr "Érrör féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт#"
 
 #: templates/html/js_templates.html
 msgid "Show advanced settings"
@@ -413,12 +413,12 @@ msgstr ""
 "thé prößlém änd çréäté ä néw öné. Ⱡ'σяєм ιρѕυм ∂σłσя ѕ#"
 
 #: templates/html/drag_and_drop_edit.html
-msgid "Introductory Feedback"
-msgstr "Ìntrödüçtörý Féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт αмєт, #"
+msgid "Introductory feedback"
+msgstr "Ìntrödüçtörý féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт αмєт, #"
 
 #: templates/html/drag_and_drop_edit.html
-msgid "Final Feedback"
-msgstr "Fïnäl Féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт#"
+msgid "Final feedback"
+msgstr "Fïnäl féédßäçk Ⱡ'σяєм ιρѕυм ∂σłσя ѕιт#"
 
 #: templates/html/drag_and_drop_edit.html
 msgid "Background URL"