Fix proposal specs

After adding proposal translatable fields to forms, they will be generated with nested translations names and ids so we can no longer
use standard id locator.

Using input label text to fill in fields works with both types of forms.

spec/shared/features/mappable.rb

@@ -147,7 +147,7 @@ shared_examples "mappable" do |mappable_factory_name,
       do_login_for mappable.author
 
       visit send(mappable_edit_path, id: mappable.id)
-      fill_in "#{mappable_factory_name}_title", with: "New title"
+      fill_in "#{mappable_factory_name.camelize} title", with: "New title"
       click_on("Save changes")
       mappable.reload
 
@@ -172,7 +172,7 @@ shared_examples "mappable" do |mappable_factory_name,
       do_login_for mappable.author
 
       visit send(mappable_edit_path, id: mappable.id)
-      fill_in "#{mappable_factory_name}_title", with: "New title"
+      fill_in "#{mappable_factory_name.camelize} title", with: "New title"
       click_on("Save changes")
 
       expect(page).not_to have_css(".map_location")
@@ -249,8 +249,8 @@ def do_login_for(user)
 end
 
 def fill_in_proposal_form
-  fill_in "proposal_title", with: "Help refugees"
-  fill_in "proposal_summary", with: "In summary, what we want is..."
+  fill_in "Proposal title", with: "Help refugees"
+  fill_in "Proposal summary", with: "In summary, what we want is..."
 end
 
 def submit_proposal_form

spec/shared/features/nested_documentable.rb

@@ -363,8 +363,8 @@ def expect_document_has_cached_attachment(index, extension)
 end
 
 def documentable_fill_new_valid_proposal
-  fill_in :proposal_title, with: "Proposal title #{rand(9999)}"
-  fill_in :proposal_summary, with: "Proposal summary"
+  fill_in "Proposal title", with: "Proposal title #{rand(9999)}"
+  fill_in "Proposal summary", with: "Proposal summary"
   check :proposal_terms_of_service
 end
 

spec/shared/features/nested_imageable.rb

@@ -289,8 +289,8 @@ def imageable_attach_new_file(_imageable_factory_name, path, success = true)
 end
 
 def imageable_fill_new_valid_proposal
-  fill_in :proposal_title, with: "Proposal title"
-  fill_in :proposal_summary, with: "Proposal summary"
+  fill_in "Proposal title", with: "Proposal title"
+  fill_in "Proposal summary", with: "Proposal summary"
   check :proposal_terms_of_service
 end