Correctly handle error scenario and propagate error message up

[tovbinm]

Related issues
Error message was not propagated to the user following up on #237 change

Describe the proposed solution
Propagate the error and return Try correctly

Describe alternatives you've considered
NA

[clin-projects]

Thanks @tovbinm for updating this! LGTM

[gerashegalov]

Do we have a test for this issue?

[clin-projects]

We don't have a test for loading an old model with rawFeatureDistributions defined

I'll save a model with previous TMOG version in src/test/resources/ and create a test

[codecov]

Codecov Report

Merging #252 into master will decrease coverage by 3.94%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##           master     #252      +/-   ##
==========================================
- Coverage   86.53%   82.59%   -3.95%     
==========================================
  Files         314      314              
  Lines       10297    10294       -3     
  Branches      331      554     +223     
==========================================
- Hits         8911     8502     -409     
- Misses       1386     1792     +406

Impacted Files	Coverage Δ
...cala/com/salesforce/op/OpWorkflowModelReader.scala	88.23% <71.42%> (+1.19%)	⬆️
...alesforce/op/cli/gen/templates/SimpleProject.scala	0% <0%> (-100%)	⬇️
.../scala/com/salesforce/op/cli/gen/ProblemKind.scala	0% <0%> (-100%)	⬇️
...cala/com/salesforce/op/cli/gen/FileInProject.scala	0% <0%> (-100%)	⬇️
...in/scala/com/salesforce/op/cli/CommandParser.scala	0% <0%> (-98.12%)	⬇️
...cala/com/salesforce/op/cli/gen/ProblemSchema.scala	0% <0%> (-96.56%)	⬇️
...src/main/scala/com/salesforce/op/cli/gen/Ops.scala	0% <0%> (-94%)	⬇️
...ain/scala/com/salesforce/op/cli/SchemaSource.scala	0% <0%> (-87.94%)	⬇️
...a/com/salesforce/op/cli/gen/ProjectGenerator.scala	0% <0%> (-87.5%)	⬇️
...in/scala/com/salesforce/op/cli/CliParameters.scala	0% <0%> (-80.96%)	⬇️
... and 3 more

---

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[codecov]

Codecov Report

Merging #252 into master will increase coverage by <.01%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##           master     #252      +/-   ##
==========================================
+ Coverage   86.53%   86.54%   +<.01%     
==========================================
  Files         314      314              
  Lines       10297    10294       -3     
  Branches      331      570     +239     
==========================================
- Hits         8911     8909       -2     
+ Misses       1386     1385       -1

Impacted Files	Coverage Δ
...cala/com/salesforce/op/OpWorkflowModelReader.scala	88.23% <71.42%> (+1.19%)	⬆️

---

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Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2566a08...1de81af. Read the comment docs.

[salesforce-cla]

Thanks for the contribution! It looks like @tovbinm is an internal user so signing the CLA is not required. However, we need to confirm this.

[salesforce-cla]

Thanks for the contribution! Unfortunately we can't verify the commit author(s): Matthew <m***@s***.com>. One possible solution is to add that email to your GitHub account. Alternatively you can change your commits to another email and force push the change. After getting your commits associated with your GitHub account, refresh the status of this Pull Request.