Fix a couple UI inconsistencies

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryAdapter.java

@@ -375,6 +375,7 @@ public class EntryAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
         }
 
         sortShownEntries();
+        checkPeriodUniformity();
         _view.onListChange();
         notifyDataSetChanged();
     }
@@ -669,6 +670,10 @@ public class EntryAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
             return -1;
         }
 
+        if (infos.size() == 1) {
+            return infos.get(0).getPeriod();
+        }
+
         Map<Integer, Integer> occurrences = new HashMap<>();
         for (TotpInfo info : infos) {
             int period = info.getPeriod();

app/src/main/res/layout/activity_edit_entry.xml

@@ -98,7 +98,7 @@
                 </LinearLayout>
                 <LinearLayout
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
+                    android:layout_height="match_parent"
                     android:orientation="horizontal"
                     android:layout_marginTop="10dp"
                     android:layout_marginStart="44.5dp">
@@ -110,8 +110,9 @@
                         android:layout_weight="1">
                         <com.google.android.material.textfield.TextInputEditText
                             android:id="@+id/text_issuer"
+                            android:maxLines="1"
                             android:layout_width="match_parent"
-                            android:layout_height="match_parent"
+                            android:layout_height="wrap_content"
                             android:inputType="text"/>
                     </com.google.android.material.textfield.TextInputLayout>
                     <com.google.android.material.textfield.TextInputLayout