added filter options to single matching tab

similarity_page.py

@@ -309,10 +309,10 @@ def show_single_matching_page():
     
     with col2:
         # COUNTRY SELECTION
-        country_option = st.multiselect(
-                'Country / Countries',
+        country_option_s = st.multiselect(
+                'Country / Countries ',
                 COUNTRY_OPTION_LIST,
-                placeholder="All countries selected"
+                placeholder="All countries selected "
                 )
             
         # ORGA SELECTION
@@ -320,15 +320,15 @@ def show_single_matching_page():
         orga_full_names = projects_df["orga_full_name"].unique()
         orga_list = [f"{orga_full_names[i]} ({orga_abbreviation[i].upper()})"for i in range(len(orga_abbreviation))]
 
-        orga_option = st.multiselect(
-                'Development Bank / Organization',
+        orga_option_s = st.multiselect(
+                'Development Bank / Organization ',
                 orga_list,
-                placeholder="All organizations selected"
+                placeholder="All organizations selected "
                 )
         
     with col3:
-        different_orga_checkbox = st.checkbox("Only matches between different organizations", value=True)
-        filterd_country_only_checkbox = st.checkbox("Only matches between filtered countries", value=True)
+        different_orga_checkbox_s = st.checkbox("Only matches between different organizations ", value=True)
+        filterd_country_only_checkbox_s = st.checkbox("Only matches between filtered countries ", value=True)
 
     
     #selected_index = None