fix: Allow schema names with special characters in the search path

Fixes regression where the search path did not recognize schemas with uppercase, spaces and other special characters in their names.

test/spec/Feature/ExtraSearchPathSpec.hs

@@ -58,5 +58,10 @@ spec = describe "extra search path" $ do
       `shouldRespondWith` [json|true|]
       { matchHeaders = [matchContentTypeJson] }
 
+  it "finds a function on a schema with uppercase and special characters in its name" $
+    request methodGet "/rpc/special_extended_schema?val=value" [] ""
+      `shouldRespondWith` [json|"value"|]
+      { matchHeaders = [matchContentTypeJson] }
+
   it "can detect fk relations through multiple views recursively when middle views are in extra search path" $
     get "/consumers_extra_view?select=*,orders_view(*)" `shouldRespondWith` 200