Annotations are mixed with modifier

[nimakarimipour]

Describe the bug
Added annotations are getting mixed with the modifier.

-  @JsonProperty public List<String> bar;
+  @JsonPropertypublic @Nullable  List<String> bar;

Or

-  @JsonProperty
-  @JsonInclude(JsonInclude.Include.NON_NULL)
-  public String foo;
+  @JsonProperty @JsonInclude(JsonInclude.Include.NON_NULL) @Nullable
+@Nullablepublic   String foo;

To Reproduce

• The root cause is not detected yet.

Expected behavior

-  @JsonProperty
-  @JsonInclude(JsonInclude.Include.NON_NULL)
-  public String foo;
+  @JsonProperty @JsonInclude(JsonInclude.Include.NON_NULL) @Nullable
+  public   String foo;

and

-  @JsonProperty public List<String> bar;
+  @JsonProperty public @Nullable  List<String> bar;

Stack trace
Not-Applicable.

OS (please complete the following information):

• Annotator Version [e.g. v1.3.3-SNAPSHOT]

Additional context
This is a subproblem of #77

[nimakarimipour]

#90 is landed and resolves this issue.