task/3382: Partially fix table idea

Remove foreign key from table idea to table ProjectType, rename the foreign key column at idea.
Change JPA-metadata in Idea entity class as well.

core/src/main/java/se/su/dsv/scipro/match/Idea.java

@@ -23,6 +23,7 @@ public class Idea extends DomainObject {
     private Long id;
 
     @ManyToOne(optional = false)
+    @JoinColumn(name = "project_type_id")
     private ProjectType projectType;
 
     @Enumerated(EnumType.STRING)

core/src/main/resources/db/migration/V388__harmonize_table_attribute_name.sql

@@ -910,6 +910,15 @@ alter table `milestone_activity_template_project_type`
         foreign key (milestone_activity_template_id) references milestone_activity_template(id)
         on delete cascade on update cascade;
 
+-- table: idea, we only remove foreign key from idea to ProjectType and rename the column projectType_id here.
+--        This table has many related tables and will be fixed later.
+
+alter table `idea` drop foreign key `FK_idea_projectType`;
+alter table `idea` drop key `FK_idea_projectType`;
+
+alter table `idea` rename column `projectType_id` to `project_type_id`;
+
+
 
 /*  Activate following later
 
@@ -919,6 +928,12 @@ alter table `milestone_activity_template_project_type`
 
 -- Add back all foreign key references to project_typ
 
+-- add foreign key reference from idea to project_type
+alter table `idea`
+    add constraint fk_idea_project_type_id
+        foreign key (project_type_id) references project_type(id)
+            on delete cascade on update cascade;
+
 -- add foreign key reference from milestone_activity_template_project_type to project_type
 alter table `milestone_activity_template_project_type`
     add constraint fk_ma_tpt_project_type_id