simplify drop object request handler (#1953)

* simplify drop object request handler

* fix test cases

* fix issues

* update strings

* fix error

* fix error

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.cs

@@ -10150,6 +10150,11 @@ namespace Microsoft.SqlTools.ServiceLayer
             return Keys.GetString(Keys.UnsupportedModelType, type);
         }
 
+        public static string ObjectNotRenamable(string urn)
+        {
+            return Keys.GetString(Keys.ObjectNotRenamable, urn);
+        }
+
         [System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
         public class Keys
         {
@@ -14043,6 +14048,9 @@ namespace Microsoft.SqlTools.ServiceLayer
             public const string ErrorConnectionNotFound = "ErrorConnectionNotFound";
 
 
+            public const string ObjectNotRenamable = "ObjectNotRenamable";
+
+
             public const string DefaultLanguagePlaceholder = "DefaultLanguagePlaceholder";
 
 

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.resx

@@ -5386,6 +5386,11 @@ The Query Processor estimates that implementing the following index could improv
     <value>The connection could not be found</value>
     <comment></comment>
   </data>
+  <data name="ObjectNotRenamable" xml:space="preserve">
+    <value>The object could not be renamed. URN: &apos;{0}&apos;.</value>
+    <comment>.
+ Parameters: 0 - urn (string) </comment>
+  </data>
   <data name="DefaultLanguagePlaceholder" xml:space="preserve">
     <value>&lt;default&gt;</value>
     <comment></comment>

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.strings

@@ -2443,6 +2443,7 @@ GetUserDefinedObjectsFromModelFailed = Failed to get user defined objects from m
 
 #ObjectManagement Service
 ErrorConnectionNotFound = The connection could not be found
+ObjectNotRenamable(string urn) = The object could not be renamed. URN: '{0}'.
 
 ############################################################################
 # Security Service

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.xlf

@@ -6576,6 +6576,12 @@ The Query Processor estimates that implementing the following index could improv
         <target state="new">Reset password for the login while unlocking.</target>
         <note></note>
       </trans-unit>
+      <trans-unit id="ObjectNotRenamable">
+        <source>The object could not be renamed. URN: '{0}'.</source>
+        <target state="new">The object could not be renamed. URN: '{0}'.</target>
+        <note>.
+ Parameters: 0 - urn (string) </note>
+      </trans-unit>
     </body>
   </file>
 </xliff>