feat: Project Lifecycle

[cguedes]

Closes #286, #288

This PR adds four new operations to Ref Studio to control the project lifecycle.

• New Project
• Open Project
• Close Project
• Try Sample Project

File Menu Entries	Explorer Actions when no project is open

Operations

New Project

When a new project is created (default directory is the users desktop folder), a modal asks for the project name, and the project is created empty (no files, no uploads folder) and with a unsaved file open.

Notes

• If the project folder exists, a warning is shown, and all the content is removed.
• The current project (and open editores) is closed

Project Name Dialog	Warning message	New Project

Open Project

When a project is requested to be open, a folder explorer modal is opened (opens desktop by default). After selection, the current open project is closed and the new one is open.

Notes:

• The project name show in the explorer is derived from the path (last segment)
• Any directory can be open

Select Folder Dialog

Close project

Closing a project can be done via File -> Close Project or via the explorer panel icon (X).
When a project is closed, all the open editors are closed and the project path reset to an empty string "".

Try Sample Project

Trying a sample project will create a sample folder RefStudio Sample in the Desktop folder with 3 files (the ones we've had before).

Notes:

• If the action if performed again, will remove the sample folder and create a fresh sample project.
• For now, no PDF (or reference ingestion) is performed for the sample. We should improve this later.

Extra Notes

• Deprecated settings.general keys and created new key for the current open project project.currentDir.
  • Code migrate settings.general.appDataDir + settings.appDataDir.projectName to the new project.currentDir on the first run.
  • The settings file is kept in the application config folder (/Users/USER/Library/Application Support/studio.ref.desktop/refstudio-settings.json).
• Updated settings panel -> general to remove project directory.
• Project directory is shown in the footer (bottom left).
• The uploads folder creation is delayed to the first upload (so that new projects won't have that empty folder listed).
• Every time a project is created or open, the path is saved in the settings in order to reopen the project automatically on the next run.

[codecov]

Codecov Report

Merging #350 (7e8d2a4) into main (adc02a8) will decrease coverage by 1.42%.
Report is 5 commits behind head on main.
The diff coverage is 63.00%.

@@            Coverage Diff             @@
##             main     #350      +/-   ##
==========================================
- Coverage   86.35%   84.94%   -1.42%     
==========================================
  Files         150      153       +3     
  Lines        8487     8819     +332     
  Branches      957      973      +16     
==========================================
+ Hits         7329     7491     +162     
- Misses       1147     1317     +170     
  Partials       11       11              

Files Changed	Coverage Δ
src/application/sidebar/ExplorerPanel.tsx	0.00% <0.00%> (ø)
src/atoms/projectState.ts	37.80% <37.80%> (ø)
src/application/listeners/projectEventListeners.ts	52.63% <52.63%> (ø)
src/io/filesystem.ts	93.84% <88.42%> (-3.84%)	⬇️
src/settings/settingsManager.ts	94.33% <91.83%> (-3.31%)	⬇️
src/AppStartup.tsx	96.29% <92.59%> (-1.63%)	⬇️
python/sidecar/settings.py	100.00% <100.00%> (ø)
src/api/sidecar.ts	100.00% <100.00%> (ø)
src/atoms/referencesState.ts	78.51% <100.00%> (+3.13%)	⬆️
src/components/InfoMessage.tsx	100.00% <100.00%> (ø)
... and 7 more

... and 5 files with indirect coverage changes

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