fix: db insert error for no space left

[zhu-xiaowei]

• PR title and description conform to Pull Request guidelines.

Description of changes:

1. fix db insert error for no space left
2. support send event immediately when saving events to sqlite fails

How did you test these changes?
added test case for verify when even insert into db will throw SQLException.

Documentation update required?

• No
• Yes (Please include a PR link for the documentation update)

General Checklist

• Added Unit Tests

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 88.23529% with 2 lines in your changes missing coverage. Please review.

Project coverage is 88.04%. Comparing base (0549134) to head (caf41f9).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ution/clickstream/client/db/ClickstreamDBUtil.java	71.42%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #85      +/-   ##
============================================
+ Coverage     87.93%   88.04%   +0.11%     
- Complexity      488      492       +4     
============================================
  Files            40       40              
  Lines          1716     1732      +16     
  Branches        171      171              
============================================
+ Hits           1509     1525      +16     
- Misses          140      141       +1     
+ Partials         67       66       -1     

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